diff --git a/src/test/ui/lifetimes/issue-79187-2.stderr b/src/test/ui/lifetimes/issue-79187-2.base.stderr
similarity index 83%
rename from src/test/ui/lifetimes/issue-79187-2.stderr
rename to src/test/ui/lifetimes/issue-79187-2.base.stderr
index 2aca8faff9f2c..95591412f7eab 100644
--- a/src/test/ui/lifetimes/issue-79187-2.stderr
+++ b/src/test/ui/lifetimes/issue-79187-2.base.stderr
@@ -1,5 +1,5 @@
 error[E0308]: mismatched types
-  --> $DIR/issue-79187-2.rs:8:5
+  --> $DIR/issue-79187-2.rs:12:5
    |
 LL |     take_foo(|a| a);
    |     ^^^^^^^^ lifetime mismatch
@@ -7,18 +7,18 @@ LL |     take_foo(|a| a);
    = note: expected type `for<'r> Fn<(&'r i32,)>`
               found type `Fn<(&i32,)>`
 note: this closure does not fulfill the lifetime requirements
-  --> $DIR/issue-79187-2.rs:8:14
+  --> $DIR/issue-79187-2.rs:12:14
    |
 LL |     take_foo(|a| a);
    |              ^^^^^
 note: the lifetime requirement is introduced here
-  --> $DIR/issue-79187-2.rs:5:21
+  --> $DIR/issue-79187-2.rs:9:21
    |
 LL | fn take_foo(_: impl Foo) {}
    |                     ^^^
 
 error[E0308]: mismatched types
-  --> $DIR/issue-79187-2.rs:9:5
+  --> $DIR/issue-79187-2.rs:16:5
    |
 LL |     take_foo(|a: &i32| a);
    |     ^^^^^^^^ lifetime mismatch
@@ -26,18 +26,18 @@ LL |     take_foo(|a: &i32| a);
    = note: expected reference `&i32`
               found reference `&i32`
 note: the anonymous lifetime #1 defined here doesn't meet the lifetime requirements
-  --> $DIR/issue-79187-2.rs:9:14
+  --> $DIR/issue-79187-2.rs:16:14
    |
 LL |     take_foo(|a: &i32| a);
    |              ^^^^^^^^^^^
 note: the lifetime requirement is introduced here
-  --> $DIR/issue-79187-2.rs:5:21
+  --> $DIR/issue-79187-2.rs:9:21
    |
 LL | fn take_foo(_: impl Foo) {}
    |                     ^^^
 
 error[E0308]: mismatched types
-  --> $DIR/issue-79187-2.rs:10:5
+  --> $DIR/issue-79187-2.rs:20:5
    |
 LL |     take_foo(|a: &i32| -> &i32 { a });
    |     ^^^^^^^^ lifetime mismatch
@@ -45,12 +45,12 @@ LL |     take_foo(|a: &i32| -> &i32 { a });
    = note: expected reference `&i32`
               found reference `&i32`
 note: the anonymous lifetime #1 defined here doesn't meet the lifetime requirements
-  --> $DIR/issue-79187-2.rs:10:14
+  --> $DIR/issue-79187-2.rs:20:14
    |
 LL |     take_foo(|a: &i32| -> &i32 { a });
    |              ^^^^^^^^^^^^^^^^^^^^^^^
 note: the lifetime requirement is introduced here
-  --> $DIR/issue-79187-2.rs:5:21
+  --> $DIR/issue-79187-2.rs:9:21
    |
 LL | fn take_foo(_: impl Foo) {}
    |                     ^^^
diff --git a/src/test/ui/lifetimes/issue-79187-2.nll.stderr b/src/test/ui/lifetimes/issue-79187-2.nll.stderr
index 04d9b64d64fdd..3cbce7600f956 100644
--- a/src/test/ui/lifetimes/issue-79187-2.nll.stderr
+++ b/src/test/ui/lifetimes/issue-79187-2.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/issue-79187-2.rs:9:24
+  --> $DIR/issue-79187-2.rs:16:24
    |
 LL |     take_foo(|a: &i32| a);
    |                  -   - ^ returning this value requires that `'1` must outlive `'2`
@@ -8,7 +8,7 @@ LL |     take_foo(|a: &i32| a);
    |                  let's call the lifetime of this reference `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/issue-79187-2.rs:10:34
+  --> $DIR/issue-79187-2.rs:20:34
    |
 LL |     take_foo(|a: &i32| -> &i32 { a });
    |                  -        -      ^ returning this value requires that `'1` must outlive `'2`
@@ -17,7 +17,7 @@ LL |     take_foo(|a: &i32| -> &i32 { a });
    |                  let's call the lifetime of this reference `'1`
 
 error: implementation of `FnOnce` is not general enough
-  --> $DIR/issue-79187-2.rs:8:5
+  --> $DIR/issue-79187-2.rs:12:5
    |
 LL |     take_foo(|a| a);
    |     ^^^^^^^^^^^^^^^ implementation of `FnOnce` is not general enough
@@ -26,7 +26,7 @@ LL |     take_foo(|a| a);
    = note: ...but it actually implements `FnOnce<(&'2 i32,)>`, for some specific lifetime `'2`
 
 error[E0308]: mismatched types
-  --> $DIR/issue-79187-2.rs:8:5
+  --> $DIR/issue-79187-2.rs:12:5
    |
 LL |     take_foo(|a| a);
    |     ^^^^^^^^^^^^^^^ one type is more general than the other
@@ -34,18 +34,18 @@ LL |     take_foo(|a| a);
    = note: expected type `for<'r> Fn<(&'r i32,)>`
               found type `Fn<(&i32,)>`
 note: this closure does not fulfill the lifetime requirements
-  --> $DIR/issue-79187-2.rs:8:14
+  --> $DIR/issue-79187-2.rs:12:14
    |
 LL |     take_foo(|a| a);
    |              ^^^^^
 note: the lifetime requirement is introduced here
-  --> $DIR/issue-79187-2.rs:5:21
+  --> $DIR/issue-79187-2.rs:9:21
    |
 LL | fn take_foo(_: impl Foo) {}
    |                     ^^^
 
 error[E0308]: mismatched types
-  --> $DIR/issue-79187-2.rs:9:5
+  --> $DIR/issue-79187-2.rs:16:5
    |
 LL |     take_foo(|a: &i32| a);
    |     ^^^^^^^^^^^^^^^^^^^^^ one type is more general than the other
@@ -53,13 +53,13 @@ LL |     take_foo(|a: &i32| a);
    = note: expected reference `&i32`
               found reference `&i32`
 note: the lifetime requirement is introduced here
-  --> $DIR/issue-79187-2.rs:5:21
+  --> $DIR/issue-79187-2.rs:9:21
    |
 LL | fn take_foo(_: impl Foo) {}
    |                     ^^^
 
 error[E0308]: mismatched types
-  --> $DIR/issue-79187-2.rs:10:5
+  --> $DIR/issue-79187-2.rs:20:5
    |
 LL |     take_foo(|a: &i32| -> &i32 { a });
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ one type is more general than the other
@@ -67,7 +67,7 @@ LL |     take_foo(|a: &i32| -> &i32 { a });
    = note: expected reference `&i32`
               found reference `&i32`
 note: the lifetime requirement is introduced here
-  --> $DIR/issue-79187-2.rs:5:21
+  --> $DIR/issue-79187-2.rs:9:21
    |
 LL | fn take_foo(_: impl Foo) {}
    |                     ^^^
diff --git a/src/test/ui/lifetimes/issue-79187-2.rs b/src/test/ui/lifetimes/issue-79187-2.rs
index 29d108facab3f..d122b92f74b23 100644
--- a/src/test/ui/lifetimes/issue-79187-2.rs
+++ b/src/test/ui/lifetimes/issue-79187-2.rs
@@ -1,3 +1,7 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 trait Foo {}
 
 impl<F> Foo for F where F: Fn(&i32) -> &i32 {}
@@ -5,9 +9,18 @@ impl<F> Foo for F where F: Fn(&i32) -> &i32 {}
 fn take_foo(_: impl Foo) {}
 
 fn main() {
-    take_foo(|a| a); //~ ERROR mismatched types
-    take_foo(|a: &i32| a); //~ ERROR mismatched types
-    take_foo(|a: &i32| -> &i32 { a }); //~ ERROR mismatched types
+    take_foo(|a| a);
+    //[base]~^ ERROR mismatched types
+    //[nll]~^^ ERROR implementation of `FnOnce` is not general enough
+    //[nll]~| ERROR mismatched types
+    take_foo(|a: &i32| a);
+    //[base]~^ ERROR mismatched types
+    //[nll]~^^ ERROR lifetime may not live long enough
+    //[nll]~| ERROR mismatched types
+    take_foo(|a: &i32| -> &i32 { a });
+    //[base]~^ ERROR mismatched types
+    //[nll]~^^ ERROR lifetime may not live long enough
+    //[nll]~| ERROR mismatched types
 
     // OK
     take_foo(identity(|a| a));
diff --git a/src/test/ui/lifetimes/issue-79187.stderr b/src/test/ui/lifetimes/issue-79187.base.stderr
similarity index 92%
rename from src/test/ui/lifetimes/issue-79187.stderr
rename to src/test/ui/lifetimes/issue-79187.base.stderr
index 3c0439fb660e5..c4654ca1517ed 100644
--- a/src/test/ui/lifetimes/issue-79187.stderr
+++ b/src/test/ui/lifetimes/issue-79187.base.stderr
@@ -1,5 +1,5 @@
 error: implementation of `FnOnce` is not general enough
-  --> $DIR/issue-79187.rs:5:5
+  --> $DIR/issue-79187.rs:9:5
    |
 LL |     thing(f);
    |     ^^^^^ implementation of `FnOnce` is not general enough
diff --git a/src/test/ui/lifetimes/issue-79187.nll.stderr b/src/test/ui/lifetimes/issue-79187.nll.stderr
index 3a993e88d8a92..54dce9b4bacf0 100644
--- a/src/test/ui/lifetimes/issue-79187.nll.stderr
+++ b/src/test/ui/lifetimes/issue-79187.nll.stderr
@@ -1,5 +1,5 @@
 error[E0308]: mismatched types
-  --> $DIR/issue-79187.rs:5:5
+  --> $DIR/issue-79187.rs:9:5
    |
 LL |     thing(f);
    |     ^^^^^^^^ one type is more general than the other
@@ -7,18 +7,18 @@ LL |     thing(f);
    = note: expected type `for<'r> FnOnce<(&'r u32,)>`
               found type `FnOnce<(&u32,)>`
 note: this closure does not fulfill the lifetime requirements
-  --> $DIR/issue-79187.rs:4:13
+  --> $DIR/issue-79187.rs:8:13
    |
 LL |     let f = |_| ();
    |             ^^^^^^
 note: the lifetime requirement is introduced here
-  --> $DIR/issue-79187.rs:1:18
+  --> $DIR/issue-79187.rs:5:18
    |
 LL | fn thing(x: impl FnOnce(&u32)) {}
    |                  ^^^^^^^^^^^^
 
 error: implementation of `FnOnce` is not general enough
-  --> $DIR/issue-79187.rs:5:5
+  --> $DIR/issue-79187.rs:9:5
    |
 LL |     thing(f);
    |     ^^^^^^^^ implementation of `FnOnce` is not general enough
diff --git a/src/test/ui/lifetimes/issue-79187.rs b/src/test/ui/lifetimes/issue-79187.rs
index 2ee69ee2234ee..b97890d94e97a 100644
--- a/src/test/ui/lifetimes/issue-79187.rs
+++ b/src/test/ui/lifetimes/issue-79187.rs
@@ -1,6 +1,12 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 fn thing(x: impl FnOnce(&u32)) {}
 
 fn main() {
     let f = |_| ();
-    thing(f); //~ERROR implementation of `FnOnce` is not general enough
+    thing(f);
+    //[nll]~^ ERROR mismatched types
+    //~^^ ERROR implementation of `FnOnce` is not general enough
 }
diff --git a/src/test/ui/lifetimes/issue-90170-elision-mismatch-nll.fixed b/src/test/ui/lifetimes/issue-90170-elision-mismatch-nll.fixed
new file mode 100644
index 0000000000000..4b417afb03836
--- /dev/null
+++ b/src/test/ui/lifetimes/issue-90170-elision-mismatch-nll.fixed
@@ -0,0 +1,15 @@
+// FIXME(nll): On NLL stabilization, this should be replace
+// `issue-90170-elision-mismatch.rs`. Compiletest has
+// problems with rustfix and revisions.
+// ignore-compare-mode-nll
+// compile-flags: -Zborrowck=mir
+
+// run-rustfix
+
+pub fn foo<'a>(x: &mut Vec<&'a u8>, y: &'a u8) { x.push(y); } //~ ERROR lifetime may not live long enough
+
+pub fn foo2<'a>(x: &mut Vec<&'a u8>, y: &'a u8) { x.push(y); } //~ ERROR lifetime may not live long enough
+
+pub fn foo3<'a>(_other: &'a [u8], x: &mut Vec<&'a u8>, y: &'a u8) { x.push(y); } //~ ERROR lifetime may not live long enough
+
+fn main() {}
diff --git a/src/test/ui/lifetimes/issue-90170-elision-mismatch-nll.rs b/src/test/ui/lifetimes/issue-90170-elision-mismatch-nll.rs
new file mode 100644
index 0000000000000..ec50e8e1d9ac5
--- /dev/null
+++ b/src/test/ui/lifetimes/issue-90170-elision-mismatch-nll.rs
@@ -0,0 +1,15 @@
+// FIXME(nll): On NLL stabilization, this should be replace
+// `issue-90170-elision-mismatch.rs`. Compiletest has
+// problems with rustfix and revisions.
+// ignore-compare-mode-nll
+// compile-flags: -Zborrowck=mir
+
+// run-rustfix
+
+pub fn foo(x: &mut Vec<&u8>, y: &u8) { x.push(y); } //~ ERROR lifetime may not live long enough
+
+pub fn foo2(x: &mut Vec<&'_ u8>, y: &u8) { x.push(y); } //~ ERROR lifetime may not live long enough
+
+pub fn foo3<'a>(_other: &'a [u8], x: &mut Vec<&u8>, y: &u8) { x.push(y); } //~ ERROR lifetime may not live long enough
+
+fn main() {}
diff --git a/src/test/ui/lifetimes/issue-90170-elision-mismatch.nll.stderr b/src/test/ui/lifetimes/issue-90170-elision-mismatch-nll.stderr
similarity index 92%
rename from src/test/ui/lifetimes/issue-90170-elision-mismatch.nll.stderr
rename to src/test/ui/lifetimes/issue-90170-elision-mismatch-nll.stderr
index 48fb3fb4a2293..144fe3bf9dabf 100644
--- a/src/test/ui/lifetimes/issue-90170-elision-mismatch.nll.stderr
+++ b/src/test/ui/lifetimes/issue-90170-elision-mismatch-nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/issue-90170-elision-mismatch.rs:3:40
+  --> $DIR/issue-90170-elision-mismatch-nll.rs:9:40
    |
 LL | pub fn foo(x: &mut Vec<&u8>, y: &u8) { x.push(y); }
    |                        -        -      ^^^^^^^^^ argument requires that `'1` must outlive `'2`
@@ -13,7 +13,7 @@ LL | pub fn foo<'a>(x: &mut Vec<&'a u8>, y: &'a u8) { x.push(y); }
    |           ++++              ++          ++
 
 error: lifetime may not live long enough
-  --> $DIR/issue-90170-elision-mismatch.rs:5:44
+  --> $DIR/issue-90170-elision-mismatch-nll.rs:11:44
    |
 LL | pub fn foo2(x: &mut Vec<&'_ u8>, y: &u8) { x.push(y); }
    |                         -           -      ^^^^^^^^^ argument requires that `'1` must outlive `'2`
@@ -27,7 +27,7 @@ LL | pub fn foo2<'a>(x: &mut Vec<&'a u8>, y: &'a u8) { x.push(y); }
    |            ++++              ~~          ++
 
 error: lifetime may not live long enough
-  --> $DIR/issue-90170-elision-mismatch.rs:7:63
+  --> $DIR/issue-90170-elision-mismatch-nll.rs:13:63
    |
 LL | pub fn foo3<'a>(_other: &'a [u8], x: &mut Vec<&u8>, y: &u8) { x.push(y); }
    |                                               -        -      ^^^^^^^^^ argument requires that `'1` must outlive `'2`
diff --git a/src/test/ui/lifetimes/issue-90170-elision-mismatch.fixed b/src/test/ui/lifetimes/issue-90170-elision-mismatch.fixed
index 0bc889ee721dc..f05943284f7c8 100644
--- a/src/test/ui/lifetimes/issue-90170-elision-mismatch.fixed
+++ b/src/test/ui/lifetimes/issue-90170-elision-mismatch.fixed
@@ -1,3 +1,8 @@
+// FIXME(nll): On NLL stabilization, this should be replaced by
+// `issue-90170-elision-mismatch-nll.rs`. Compiletest has
+// problems with rustfix and revisions.
+// ignore-compare-mode-nll
+
 // run-rustfix
 
 pub fn foo<'a>(x: &mut Vec<&'a u8>, y: &'a u8) { x.push(y); } //~ ERROR lifetime mismatch
diff --git a/src/test/ui/lifetimes/issue-90170-elision-mismatch.rs b/src/test/ui/lifetimes/issue-90170-elision-mismatch.rs
index 1d6573c00ad4f..fee2b461ef9aa 100644
--- a/src/test/ui/lifetimes/issue-90170-elision-mismatch.rs
+++ b/src/test/ui/lifetimes/issue-90170-elision-mismatch.rs
@@ -1,3 +1,8 @@
+// FIXME(nll): On NLL stabilization, this should be replaced by
+// `issue-90170-elision-mismatch-nll.rs`. Compiletest has
+// problems with rustfix and revisions.
+// ignore-compare-mode-nll
+
 // run-rustfix
 
 pub fn foo(x: &mut Vec<&u8>, y: &u8) { x.push(y); } //~ ERROR lifetime mismatch
diff --git a/src/test/ui/lifetimes/issue-90170-elision-mismatch.stderr b/src/test/ui/lifetimes/issue-90170-elision-mismatch.stderr
index 7fa092ca220c2..28f3957041c1e 100644
--- a/src/test/ui/lifetimes/issue-90170-elision-mismatch.stderr
+++ b/src/test/ui/lifetimes/issue-90170-elision-mismatch.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/issue-90170-elision-mismatch.rs:3:47
+  --> $DIR/issue-90170-elision-mismatch.rs:8:47
    |
 LL | pub fn foo(x: &mut Vec<&u8>, y: &u8) { x.push(y); }
    |                        ---      ---           ^ ...but data from `y` flows into `x` here
@@ -13,7 +13,7 @@ LL | pub fn foo<'a>(x: &mut Vec<&'a u8>, y: &'a u8) { x.push(y); }
    |           ++++              ++          ++
 
 error[E0623]: lifetime mismatch
-  --> $DIR/issue-90170-elision-mismatch.rs:5:51
+  --> $DIR/issue-90170-elision-mismatch.rs:10:51
    |
 LL | pub fn foo2(x: &mut Vec<&'_ u8>, y: &u8) { x.push(y); }
    |                         ------      ---           ^ ...but data from `y` flows into `x` here
@@ -27,7 +27,7 @@ LL | pub fn foo2<'a>(x: &mut Vec<&'a u8>, y: &'a u8) { x.push(y); }
    |            ++++              ~~          ++
 
 error[E0623]: lifetime mismatch
-  --> $DIR/issue-90170-elision-mismatch.rs:7:70
+  --> $DIR/issue-90170-elision-mismatch.rs:12:70
    |
 LL | pub fn foo3<'a>(_other: &'a [u8], x: &mut Vec<&u8>, y: &u8) { x.push(y); }
    |                                               ---      ---           ^ ...but data from `y` flows into `x` here
diff --git a/src/test/ui/lifetimes/issue-90600-expected-return-static-indirect.stderr b/src/test/ui/lifetimes/issue-90600-expected-return-static-indirect.base.stderr
similarity index 89%
rename from src/test/ui/lifetimes/issue-90600-expected-return-static-indirect.stderr
rename to src/test/ui/lifetimes/issue-90600-expected-return-static-indirect.base.stderr
index e06255e4ea3ff..b20ce7b07ff32 100644
--- a/src/test/ui/lifetimes/issue-90600-expected-return-static-indirect.stderr
+++ b/src/test/ui/lifetimes/issue-90600-expected-return-static-indirect.base.stderr
@@ -1,5 +1,5 @@
 error[E0759]: `foo` has an anonymous lifetime `'_` but it needs to satisfy a `'static` lifetime requirement
-  --> $DIR/issue-90600-expected-return-static-indirect.rs:7:32
+  --> $DIR/issue-90600-expected-return-static-indirect.rs:11:32
    |
 LL | fn inner(mut foo: &[u8]) {
    |                   ----- this data with an anonymous lifetime `'_`...
diff --git a/src/test/ui/lifetimes/issue-90600-expected-return-static-indirect.nll.stderr b/src/test/ui/lifetimes/issue-90600-expected-return-static-indirect.nll.stderr
index 99e1e7217b45c..b35505ac8c54f 100644
--- a/src/test/ui/lifetimes/issue-90600-expected-return-static-indirect.nll.stderr
+++ b/src/test/ui/lifetimes/issue-90600-expected-return-static-indirect.nll.stderr
@@ -1,9 +1,9 @@
 error[E0597]: `foo` does not live long enough
-  --> $DIR/issue-90600-expected-return-static-indirect.rs:7:32
+  --> $DIR/issue-90600-expected-return-static-indirect.rs:11:32
    |
 LL |     let refcell = RefCell::new(&mut foo);
    |                                ^^^^^^^^ borrowed value does not live long enough
-LL |
+...
 LL |     let read = &refcell as &RefCell<dyn Read>;
    |                -------- cast requires that `foo` is borrowed for `'static`
 ...
@@ -11,7 +11,7 @@ LL | }
    | - `foo` dropped here while still borrowed
 
 error: lifetime may not live long enough
-  --> $DIR/issue-90600-expected-return-static-indirect.rs:9:16
+  --> $DIR/issue-90600-expected-return-static-indirect.rs:14:16
    |
 LL | fn inner(mut foo: &[u8]) {
    |                   - let's call the lifetime of this reference `'1`
diff --git a/src/test/ui/lifetimes/issue-90600-expected-return-static-indirect.rs b/src/test/ui/lifetimes/issue-90600-expected-return-static-indirect.rs
index 39996bbf43b3c..fa44be9a912ad 100644
--- a/src/test/ui/lifetimes/issue-90600-expected-return-static-indirect.rs
+++ b/src/test/ui/lifetimes/issue-90600-expected-return-static-indirect.rs
@@ -1,3 +1,7 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 use std::cell::RefCell;
 use std::io::Read;
 
@@ -5,8 +9,10 @@ fn main() {}
 
 fn inner(mut foo: &[u8]) {
     let refcell = RefCell::new(&mut foo);
-    //~^ ERROR `foo` has an anonymous lifetime `'_` but it needs to satisfy a `'static` lifetime requirement [E0759]
+    //[base]~^ ERROR `foo` has an anonymous lifetime `'_` but it needs to satisfy a `'static` lifetime requirement [E0759]
+    //[nll]~^^ ERROR `foo` does not live long enough
     let read = &refcell as &RefCell<dyn Read>;
+    //[nll]~^ ERROR lifetime may not live long enough
 
     read_thing(read);
 }
diff --git a/src/test/ui/lifetimes/lifetime-bound-will-change-warning.stderr b/src/test/ui/lifetimes/lifetime-bound-will-change-warning.base.stderr
similarity index 80%
rename from src/test/ui/lifetimes/lifetime-bound-will-change-warning.stderr
rename to src/test/ui/lifetimes/lifetime-bound-will-change-warning.base.stderr
index bb691fc072b5a..54fa49b47f680 100644
--- a/src/test/ui/lifetimes/lifetime-bound-will-change-warning.stderr
+++ b/src/test/ui/lifetimes/lifetime-bound-will-change-warning.base.stderr
@@ -1,5 +1,5 @@
 error[E0308]: mismatched types
-  --> $DIR/lifetime-bound-will-change-warning.rs:34:13
+  --> $DIR/lifetime-bound-will-change-warning.rs:38:13
    |
 LL |     ref_obj(x)
    |             ^ lifetime mismatch
@@ -7,14 +7,14 @@ LL |     ref_obj(x)
    = note: expected reference `&Box<(dyn Fn() + 'static)>`
               found reference `&Box<(dyn Fn() + 'a)>`
 note: the lifetime `'a` as defined here...
-  --> $DIR/lifetime-bound-will-change-warning.rs:32:10
+  --> $DIR/lifetime-bound-will-change-warning.rs:36:10
    |
 LL | fn test2<'a>(x: &'a Box<dyn Fn() + 'a>) {
    |          ^^
    = note: ...does not necessarily outlive the static lifetime
 
 error[E0308]: mismatched types
-  --> $DIR/lifetime-bound-will-change-warning.rs:39:18
+  --> $DIR/lifetime-bound-will-change-warning.rs:45:18
    |
 LL |     lib::ref_obj(x)
    |                  ^ lifetime mismatch
@@ -22,7 +22,7 @@ LL |     lib::ref_obj(x)
    = note: expected reference `&Box<(dyn Fn() + 'static)>`
               found reference `&Box<(dyn Fn() + 'a)>`
 note: the lifetime `'a` as defined here...
-  --> $DIR/lifetime-bound-will-change-warning.rs:37:12
+  --> $DIR/lifetime-bound-will-change-warning.rs:43:12
    |
 LL | fn test2cc<'a>(x: &'a Box<dyn Fn() + 'a>) {
    |            ^^
diff --git a/src/test/ui/lifetimes/lifetime-bound-will-change-warning.nll.stderr b/src/test/ui/lifetimes/lifetime-bound-will-change-warning.nll.stderr
index 6f3f84096e400..10105c5ccecbb 100644
--- a/src/test/ui/lifetimes/lifetime-bound-will-change-warning.nll.stderr
+++ b/src/test/ui/lifetimes/lifetime-bound-will-change-warning.nll.stderr
@@ -1,5 +1,5 @@
 error[E0521]: borrowed data escapes outside of function
-  --> $DIR/lifetime-bound-will-change-warning.rs:34:5
+  --> $DIR/lifetime-bound-will-change-warning.rs:38:5
    |
 LL | fn test2<'a>(x: &'a Box<dyn Fn() + 'a>) {
    |          --  - `x` is a reference that is only valid in the function body
@@ -13,7 +13,7 @@ LL |     ref_obj(x)
    |     argument requires that `'a` must outlive `'static`
 
 error[E0521]: borrowed data escapes outside of function
-  --> $DIR/lifetime-bound-will-change-warning.rs:39:5
+  --> $DIR/lifetime-bound-will-change-warning.rs:45:5
    |
 LL | fn test2cc<'a>(x: &'a Box<dyn Fn() + 'a>) {
    |            --  - `x` is a reference that is only valid in the function body
diff --git a/src/test/ui/lifetimes/lifetime-bound-will-change-warning.rs b/src/test/ui/lifetimes/lifetime-bound-will-change-warning.rs
index 3c6d92234c4fa..0a082e1bae8bf 100644
--- a/src/test/ui/lifetimes/lifetime-bound-will-change-warning.rs
+++ b/src/test/ui/lifetimes/lifetime-bound-will-change-warning.rs
@@ -1,3 +1,7 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 // aux-build:lifetime_bound_will_change_warning_lib.rs
 
 // Test that various corner cases cause an error. These are tests
@@ -31,12 +35,16 @@ fn test1cc<'a>(x: &'a Box<dyn Fn() + 'a>) {
 
 fn test2<'a>(x: &'a Box<dyn Fn() + 'a>) {
     // but ref_obj will not, so warn.
-    ref_obj(x) //~ ERROR mismatched types
+    ref_obj(x)
+    //[base]~^ ERROR mismatched types
+    //[nll]~^^ ERROR borrowed data escapes
 }
 
 fn test2cc<'a>(x: &'a Box<dyn Fn() + 'a>) {
     // same as test2, but cross crate
-    lib::ref_obj(x) //~ ERROR mismatched types
+    lib::ref_obj(x)
+    //[base]~^ ERROR mismatched types
+    //[nll]~^^ ERROR borrowed data escapes
 }
 
 fn test3<'a>(x: &'a Box<dyn Fn() + 'static>) {
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl.stderr b/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl.base.stderr
similarity index 88%
rename from src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl.stderr
rename to src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl.base.stderr
index e9f5fc311dfc2..60cd34938750a 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/ex1-return-one-existing-name-if-else-using-impl.rs:11:20
+  --> $DIR/ex1-return-one-existing-name-if-else-using-impl.rs:15:20
    |
 LL |     fn foo<'a>(x: &i32, y: &'a i32) -> &'a i32 {
    |                   ----                 -------
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl.nll.stderr b/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl.nll.stderr
index 4c78821157670..f8e275e9b14c8 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl.nll.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/ex1-return-one-existing-name-if-else-using-impl.rs:11:20
+  --> $DIR/ex1-return-one-existing-name-if-else-using-impl.rs:15:20
    |
 LL |     fn foo<'a>(x: &i32, y: &'a i32) -> &'a i32 {
    |            --     - let's call the lifetime of this reference `'1`
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl.rs b/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl.rs
index 12024bd10800b..fbb523daa1f51 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl.rs
+++ b/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl.rs
@@ -1,3 +1,7 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 trait Foo {
 
     fn foo<'a>(x: &i32, y: &'a i32) -> &'a i32;
@@ -8,7 +12,9 @@ impl Foo for () {
 
     fn foo<'a>(x: &i32, y: &'a i32) -> &'a i32 {
 
-        if x > y { x } else { y } //~ ERROR lifetime mismatch
+        if x > y { x } else { y }
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
 
     }
 
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.stderr b/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.base.stderr
similarity index 86%
rename from src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.stderr
rename to src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.base.stderr
index 0d506f2b9fcb4..697950a00fb24 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/ex1-return-one-existing-name-return-type-is-anon.rs:8:5
+  --> $DIR/ex1-return-one-existing-name-return-type-is-anon.rs:12:5
    |
 LL |   fn foo<'a>(&self, x: &'a i32) -> &i32 {
    |                        -------     ----
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.nll.stderr b/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.nll.stderr
index 11e7fa96d7ee9..97af4b58cbf65 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.nll.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/ex1-return-one-existing-name-return-type-is-anon.rs:8:5
+  --> $DIR/ex1-return-one-existing-name-return-type-is-anon.rs:12:5
    |
 LL |   fn foo<'a>(&self, x: &'a i32) -> &i32 {
    |          --  - let's call the lifetime of this reference `'1`
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.rs b/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.rs
index ef5dd1160fb34..704db7dc8b405 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.rs
+++ b/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.rs
@@ -1,3 +1,7 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 struct Foo {
   field: i32
 }
@@ -5,7 +9,9 @@ struct Foo {
 impl Foo {
   fn foo<'a>(&self, x: &'a i32) -> &i32 {
 
-    x //~ ERROR lifetime mismatch
+    x
+    //[base]~^ ERROR lifetime mismatch
+    //[nll]~^^ ERROR lifetime may not live long enough
 
   }
 
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-self-is-anon.stderr b/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-self-is-anon.base.stderr
similarity index 88%
rename from src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-self-is-anon.stderr
rename to src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-self-is-anon.base.stderr
index 98a23613c3635..65644d03cdc1b 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-self-is-anon.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-self-is-anon.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/ex1-return-one-existing-name-self-is-anon.rs:8:30
+  --> $DIR/ex1-return-one-existing-name-self-is-anon.rs:12:30
    |
 LL |     fn foo<'a>(&self, x: &'a Foo) -> &'a Foo {
    |                -----                 -------
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-self-is-anon.nll.stderr b/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-self-is-anon.nll.stderr
index c41f08e691ac2..00a348de4bc30 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-self-is-anon.nll.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-self-is-anon.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/ex1-return-one-existing-name-self-is-anon.rs:8:30
+  --> $DIR/ex1-return-one-existing-name-self-is-anon.rs:12:30
    |
 LL |     fn foo<'a>(&self, x: &'a Foo) -> &'a Foo {
    |            --  - let's call the lifetime of this reference `'1`
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-self-is-anon.rs b/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-self-is-anon.rs
index 597d20dbacd43..a846c115c0638 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-self-is-anon.rs
+++ b/src/test/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-self-is-anon.rs
@@ -1,3 +1,7 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 struct Foo {
     field: i32,
 }
@@ -5,7 +9,9 @@ struct Foo {
 impl Foo {
     fn foo<'a>(&self, x: &'a Foo) -> &'a Foo {
 
-        if true { x } else { self } //~ ERROR lifetime mismatch
+        if true { x } else { self }
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
 
     }
 }
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name-2.stderr b/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name-2.base.stderr
similarity index 88%
rename from src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name-2.stderr
rename to src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name-2.base.stderr
index 412cac4356368..9203d6603bd7a 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name-2.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name-2.base.stderr
@@ -1,5 +1,5 @@
 error[E0621]: explicit lifetime required in the type of `x`
-  --> $DIR/ex2a-push-one-existing-name-2.rs:6:12
+  --> $DIR/ex2a-push-one-existing-name-2.rs:10:12
    |
 LL | fn foo<'a>(x: Ref<i32>, y: &mut Vec<Ref<'a, i32>>) {
    |               -------- help: add explicit lifetime `'a` to the type of `x`: `Ref<'a, i32>`
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name-2.nll.stderr b/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name-2.nll.stderr
index 90d4754ebab82..5ab8b449816cc 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name-2.nll.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name-2.nll.stderr
@@ -1,5 +1,5 @@
 error[E0621]: explicit lifetime required in the type of `x`
-  --> $DIR/ex2a-push-one-existing-name-2.rs:6:5
+  --> $DIR/ex2a-push-one-existing-name-2.rs:10:5
    |
 LL | fn foo<'a>(x: Ref<i32>, y: &mut Vec<Ref<'a, i32>>) {
    |               -------- help: add explicit lifetime `'a` to the type of `x`: `Ref<'a, i32>`
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name-2.rs b/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name-2.rs
index 998a48ce20c26..7e776baa6a91d 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name-2.rs
+++ b/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name-2.rs
@@ -1,3 +1,7 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 struct Ref<'a, T: 'a> {
     data: &'a T
 }
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name-early-bound.stderr b/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name-early-bound.base.stderr
similarity index 86%
rename from src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name-early-bound.stderr
rename to src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name-early-bound.base.stderr
index 30826c3613c58..ec1ab19d5a43c 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name-early-bound.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name-early-bound.base.stderr
@@ -1,5 +1,5 @@
 error[E0621]: explicit lifetime required in the type of `y`
-  --> $DIR/ex2a-push-one-existing-name-early-bound.rs:8:12
+  --> $DIR/ex2a-push-one-existing-name-early-bound.rs:12:12
    |
 LL | fn baz<'a, 'b, T>(x: &mut Vec<&'a T>, y: &T)
    |                                          -- help: add explicit lifetime `'a` to the type of `y`: `&'a T`
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name-early-bound.nll.stderr b/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name-early-bound.nll.stderr
index a03e16b3b7919..bd5864bae3202 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name-early-bound.nll.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name-early-bound.nll.stderr
@@ -1,5 +1,5 @@
 error[E0621]: explicit lifetime required in the type of `y`
-  --> $DIR/ex2a-push-one-existing-name-early-bound.rs:8:5
+  --> $DIR/ex2a-push-one-existing-name-early-bound.rs:12:5
    |
 LL | fn baz<'a, 'b, T>(x: &mut Vec<&'a T>, y: &T)
    |                                          -- help: add explicit lifetime `'a` to the type of `y`: `&'a T`
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name-early-bound.rs b/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name-early-bound.rs
index d18b50d0d0cd7..73613a9bf3507 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name-early-bound.rs
+++ b/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name-early-bound.rs
@@ -1,3 +1,7 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 trait Foo<'a> {}
 impl<'a, T> Foo<'a> for T {}
 
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name.stderr b/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name.base.stderr
similarity index 89%
rename from src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name.stderr
rename to src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name.base.stderr
index 13d0835287d04..ab0e202a32eff 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name.base.stderr
@@ -1,5 +1,5 @@
 error[E0621]: explicit lifetime required in the type of `y`
-  --> $DIR/ex2a-push-one-existing-name.rs:6:12
+  --> $DIR/ex2a-push-one-existing-name.rs:10:12
    |
 LL | fn foo<'a>(x: &mut Vec<Ref<'a, i32>>, y: Ref<i32>) {
    |                                          -------- help: add explicit lifetime `'a` to the type of `y`: `Ref<'a, i32>`
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name.nll.stderr b/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name.nll.stderr
index 487b34e3d18f4..01b7f45d81b58 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name.nll.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name.nll.stderr
@@ -1,5 +1,5 @@
 error[E0621]: explicit lifetime required in the type of `y`
-  --> $DIR/ex2a-push-one-existing-name.rs:6:5
+  --> $DIR/ex2a-push-one-existing-name.rs:10:5
    |
 LL | fn foo<'a>(x: &mut Vec<Ref<'a, i32>>, y: Ref<i32>) {
    |                                          -------- help: add explicit lifetime `'a` to the type of `y`: `Ref<'a, i32>`
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name.rs b/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name.rs
index 5188ea1cc9cb0..5773e13304c15 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name.rs
+++ b/src/test/ui/lifetimes/lifetime-errors/ex2a-push-one-existing-name.rs
@@ -1,3 +1,7 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 struct Ref<'a, T: 'a> {
     data: &'a T
 }
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex2b-push-no-existing-names.stderr b/src/test/ui/lifetimes/lifetime-errors/ex2b-push-no-existing-names.base.stderr
similarity index 88%
rename from src/test/ui/lifetimes/lifetime-errors/ex2b-push-no-existing-names.stderr
rename to src/test/ui/lifetimes/lifetime-errors/ex2b-push-no-existing-names.base.stderr
index e505c9c0dc262..58a2088df5e77 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex2b-push-no-existing-names.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex2b-push-no-existing-names.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/ex2b-push-no-existing-names.rs:6:12
+  --> $DIR/ex2b-push-no-existing-names.rs:10:12
    |
 LL | fn foo(x: &mut Vec<Ref<i32>>, y: Ref<i32>) {
    |                    --------      -------- these two types are declared with different lifetimes...
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex2b-push-no-existing-names.nll.stderr b/src/test/ui/lifetimes/lifetime-errors/ex2b-push-no-existing-names.nll.stderr
index 1622ce4229052..afe413bcca5cc 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex2b-push-no-existing-names.nll.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex2b-push-no-existing-names.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/ex2b-push-no-existing-names.rs:6:5
+  --> $DIR/ex2b-push-no-existing-names.rs:10:5
    |
 LL | fn foo(x: &mut Vec<Ref<i32>>, y: Ref<i32>) {
    |        -                      - has type `Ref<'1, i32>`
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex2b-push-no-existing-names.rs b/src/test/ui/lifetimes/lifetime-errors/ex2b-push-no-existing-names.rs
index 82e0c9bc26e89..8d830343b08be 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex2b-push-no-existing-names.rs
+++ b/src/test/ui/lifetimes/lifetime-errors/ex2b-push-no-existing-names.rs
@@ -1,9 +1,15 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 struct Ref<'a, T: 'a> {
     data: &'a T
 }
 
 fn foo(x: &mut Vec<Ref<i32>>, y: Ref<i32>) {
-    x.push(y); //~ ERROR lifetime mismatch
+    x.push(y);
+    //[base]~^ ERROR lifetime mismatch
+    //[nll]~^^ ERROR lifetime may not live long enough
 }
 
 fn main() { }
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex2c-push-inference-variable.stderr b/src/test/ui/lifetimes/lifetime-errors/ex2c-push-inference-variable.base.stderr
similarity index 90%
rename from src/test/ui/lifetimes/lifetime-errors/ex2c-push-inference-variable.stderr
rename to src/test/ui/lifetimes/lifetime-errors/ex2c-push-inference-variable.base.stderr
index 63b1c6db28f14..63033b8d16e8b 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex2c-push-inference-variable.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex2c-push-inference-variable.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/ex2c-push-inference-variable.rs:7:12
+  --> $DIR/ex2c-push-inference-variable.rs:11:12
    |
 LL | fn foo<'a, 'b, 'c>(x: &'a mut Vec<Ref<'b, i32>>, y: Ref<'c, i32>) {
    |                                   ------------      ------------ these two types are declared with different lifetimes...
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex2c-push-inference-variable.nll.stderr b/src/test/ui/lifetimes/lifetime-errors/ex2c-push-inference-variable.nll.stderr
index 99fab4631a216..63a0f2409d9b4 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex2c-push-inference-variable.nll.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex2c-push-inference-variable.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/ex2c-push-inference-variable.rs:7:5
+  --> $DIR/ex2c-push-inference-variable.rs:11:5
    |
 LL | fn foo<'a, 'b, 'c>(x: &'a mut Vec<Ref<'b, i32>>, y: Ref<'c, i32>) {
    |            --  -- lifetime `'c` defined here
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex2c-push-inference-variable.rs b/src/test/ui/lifetimes/lifetime-errors/ex2c-push-inference-variable.rs
index 7f15aee5f08e4..f676eb403a8aa 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex2c-push-inference-variable.rs
+++ b/src/test/ui/lifetimes/lifetime-errors/ex2c-push-inference-variable.rs
@@ -1,10 +1,16 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 struct Ref<'a, T: 'a> {
     data: &'a T
 }
 
 fn foo<'a, 'b, 'c>(x: &'a mut Vec<Ref<'b, i32>>, y: Ref<'c, i32>) {
     let z = Ref { data: y.data };
-    x.push(z); //~ ERROR lifetime mismatch
+    x.push(z);
+    //[base]~^ ERROR lifetime mismatch
+    //[nll]~^^ ERROR lifetime may not live long enough
 }
 
 fn main() { }
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex2d-push-inference-variable-2.stderr b/src/test/ui/lifetimes/lifetime-errors/ex2d-push-inference-variable-2.base.stderr
similarity index 90%
rename from src/test/ui/lifetimes/lifetime-errors/ex2d-push-inference-variable-2.stderr
rename to src/test/ui/lifetimes/lifetime-errors/ex2d-push-inference-variable-2.base.stderr
index 2f669efcf1eb4..a50985ca704c7 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex2d-push-inference-variable-2.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex2d-push-inference-variable-2.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/ex2d-push-inference-variable-2.rs:6:33
+  --> $DIR/ex2d-push-inference-variable-2.rs:10:33
    |
 LL | fn foo<'a, 'b, 'c>(x: &'a mut Vec<Ref<'b, i32>>, y: Ref<'c, i32>) {
    |                                   ------------      ------------ these two types are declared with different lifetimes...
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex2d-push-inference-variable-2.nll.stderr b/src/test/ui/lifetimes/lifetime-errors/ex2d-push-inference-variable-2.nll.stderr
index 52c5752f6ea1e..0d7461fa68262 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex2d-push-inference-variable-2.nll.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex2d-push-inference-variable-2.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/ex2d-push-inference-variable-2.rs:8:5
+  --> $DIR/ex2d-push-inference-variable-2.rs:13:5
    |
 LL | fn foo<'a, 'b, 'c>(x: &'a mut Vec<Ref<'b, i32>>, y: Ref<'c, i32>) {
    |            --  -- lifetime `'c` defined here
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex2d-push-inference-variable-2.rs b/src/test/ui/lifetimes/lifetime-errors/ex2d-push-inference-variable-2.rs
index ee77d9e7fde1a..e65638fb0df13 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex2d-push-inference-variable-2.rs
+++ b/src/test/ui/lifetimes/lifetime-errors/ex2d-push-inference-variable-2.rs
@@ -1,11 +1,17 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 struct Ref<'a, T: 'a> {
     data: &'a T
 }
 
 fn foo<'a, 'b, 'c>(x: &'a mut Vec<Ref<'b, i32>>, y: Ref<'c, i32>) {
-    let a: &mut Vec<Ref<i32>> = x; //~ ERROR lifetime mismatch
+    let a: &mut Vec<Ref<i32>> = x;
+    //[base]~^ ERROR lifetime mismatch
     let b = Ref { data: y.data };
     a.push(b);
+    //[nll]~^ ERROR lifetime may not live long enough
 }
 
 fn main() { }
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex2e-push-inference-variable-3.stderr b/src/test/ui/lifetimes/lifetime-errors/ex2e-push-inference-variable-3.base.stderr
similarity index 90%
rename from src/test/ui/lifetimes/lifetime-errors/ex2e-push-inference-variable-3.stderr
rename to src/test/ui/lifetimes/lifetime-errors/ex2e-push-inference-variable-3.base.stderr
index 258b6805acd5c..dbe965a340c40 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex2e-push-inference-variable-3.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex2e-push-inference-variable-3.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/ex2e-push-inference-variable-3.rs:6:33
+  --> $DIR/ex2e-push-inference-variable-3.rs:10:33
    |
 LL | fn foo<'a, 'b, 'c>(x: &'a mut Vec<Ref<'b, i32>>, y: Ref<'c, i32>) {
    |                                   ------------      ------------ these two types are declared with different lifetimes...
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex2e-push-inference-variable-3.nll.stderr b/src/test/ui/lifetimes/lifetime-errors/ex2e-push-inference-variable-3.nll.stderr
index e90c81ee3e1af..74b2739b2c3fb 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex2e-push-inference-variable-3.nll.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex2e-push-inference-variable-3.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/ex2e-push-inference-variable-3.rs:8:5
+  --> $DIR/ex2e-push-inference-variable-3.rs:13:5
    |
 LL | fn foo<'a, 'b, 'c>(x: &'a mut Vec<Ref<'b, i32>>, y: Ref<'c, i32>) {
    |            --  -- lifetime `'c` defined here
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex2e-push-inference-variable-3.rs b/src/test/ui/lifetimes/lifetime-errors/ex2e-push-inference-variable-3.rs
index e2a795a071ced..036afe09be6ef 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex2e-push-inference-variable-3.rs
+++ b/src/test/ui/lifetimes/lifetime-errors/ex2e-push-inference-variable-3.rs
@@ -1,11 +1,17 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 struct Ref<'a, T: 'a> {
     data: &'a T
 }
 
 fn foo<'a, 'b, 'c>(x: &'a mut Vec<Ref<'b, i32>>, y: Ref<'c, i32>) {
-    let a: &mut Vec<Ref<i32>> = x; //~ ERROR lifetime mismatch
+    let a: &mut Vec<Ref<i32>> = x;
+    //[base]~^ ERROR lifetime mismatch
     let b = Ref { data: y.data };
     Vec::push(a, b);
+    //[nll]~^ ERROR lifetime may not live long enough
 }
 
 fn main() { }
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-2.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-2.base.stderr
similarity index 93%
rename from src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-2.stderr
rename to src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-2.base.stderr
index 5c793636778ea..459f18dcc3d77 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-2.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-2.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/ex3-both-anon-regions-2.rs:2:10
+  --> $DIR/ex3-both-anon-regions-2.rs:6:10
    |
 LL | fn foo(&mut (ref mut v, w): &mut (&u8, &u8), x: &u8) {
    |                                   ---           --- these two types are declared with different lifetimes...
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-2.nll.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-2.nll.stderr
index 5a23f1e0e9d99..b072c12ea3bcb 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-2.nll.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-2.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/ex3-both-anon-regions-2.rs:2:5
+  --> $DIR/ex3-both-anon-regions-2.rs:6:5
    |
 LL | fn foo(&mut (ref mut v, w): &mut (&u8, &u8), x: &u8) {
    |                                   -             - let's call the lifetime of this reference `'1`
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-2.rs b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-2.rs
index 1ff96aadd9387..668cadd614b59 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-2.rs
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-2.rs
@@ -1,5 +1,11 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 fn foo(&mut (ref mut v, w): &mut (&u8, &u8), x: &u8) {
-    *v = x; //~ ERROR lifetime mismatch
+    *v = x;
+    //[base]~^ ERROR lifetime mismatch
+    //[nll]~^^ ERROR lifetime may not live long enough
 }
 
 fn main() { }
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-3.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-3.base.stderr
similarity index 93%
rename from src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-3.stderr
rename to src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-3.base.stderr
index 1a7b4fca1ba78..28df5f1836955 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-3.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-3.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/ex3-both-anon-regions-3.rs:2:13
+  --> $DIR/ex3-both-anon-regions-3.rs:6:13
    |
 LL | fn foo(z: &mut Vec<(&u8,&u8)>, (x, y): (&u8, &u8)) {
    |                     ---                 --- these two types are declared with different lifetimes...
@@ -13,7 +13,7 @@ LL | fn foo<'a>(z: &mut Vec<(&'a u8,&u8)>, (x, y): (&'a u8, &u8)) {
    |       ++++               ++                     ++
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ex3-both-anon-regions-3.rs:2:15
+  --> $DIR/ex3-both-anon-regions-3.rs:6:15
    |
 LL | fn foo(z: &mut Vec<(&u8,&u8)>, (x, y): (&u8, &u8)) {
    |                         ---                  --- these two types are declared with different lifetimes...
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-3.nll.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-3.nll.stderr
index 6ba130308a33a..c1d809abad5b9 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-3.nll.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-3.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/ex3-both-anon-regions-3.rs:2:5
+  --> $DIR/ex3-both-anon-regions-3.rs:6:5
    |
 LL | fn foo(z: &mut Vec<(&u8,&u8)>, (x, y): (&u8, &u8)) {
    |                     -                   - let's call the lifetime of this reference `'1`
@@ -14,7 +14,7 @@ LL | fn foo<'a>(z: &mut Vec<(&'a u8,&u8)>, (x, y): (&'a u8, &u8)) {
    |       ++++               ++                     ++
 
 error: lifetime may not live long enough
-  --> $DIR/ex3-both-anon-regions-3.rs:2:5
+  --> $DIR/ex3-both-anon-regions-3.rs:6:5
    |
 LL | fn foo(z: &mut Vec<(&u8,&u8)>, (x, y): (&u8, &u8)) {
    |                         -                    - let's call the lifetime of this reference `'3`
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-3.rs b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-3.rs
index c483f59f9d98c..4d7fd63e5b932 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-3.rs
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-3.rs
@@ -1,6 +1,13 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 fn foo(z: &mut Vec<(&u8,&u8)>, (x, y): (&u8, &u8)) {
-    z.push((x,y)); //~ ERROR lifetime mismatch
-    //~^ ERROR lifetime mismatch
+    z.push((x,y));
+    //[base]~^ ERROR lifetime mismatch
+    //[base]~| ERROR lifetime mismatch
+    //[nll]~^^^ ERROR lifetime may not live long enough
+    //[nll]~| ERROR lifetime may not live long enough
 }
 
 fn main() { }
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-2.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-2.base.stderr
similarity index 85%
rename from src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-2.stderr
rename to src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-2.base.stderr
index 8e41d7c54e68d..32263cd56ee72 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-2.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-2.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/ex3-both-anon-regions-both-are-structs-2.rs:7:11
+  --> $DIR/ex3-both-anon-regions-both-are-structs-2.rs:11:11
    |
 LL | fn foo(mut x: Ref, y: Ref) {
    |               ---     --- these two types are declared with different lifetimes...
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-2.nll.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-2.nll.stderr
index 4c0ffe5c0901a..bfde4025194ae 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-2.nll.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-2.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/ex3-both-anon-regions-both-are-structs-2.rs:7:5
+  --> $DIR/ex3-both-anon-regions-both-are-structs-2.rs:11:5
    |
 LL | fn foo(mut x: Ref, y: Ref) {
    |        -----       - has type `Ref<'_, '1>`
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-2.rs b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-2.rs
index 94bb80924073b..30764e2ad17c0 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-2.rs
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-2.rs
@@ -1,10 +1,16 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 struct Ref<'a, 'b> {
     a: &'a u32,
     b: &'b u32,
 }
 
 fn foo(mut x: Ref, y: Ref) {
-    x.b = y.b; //~ ERROR lifetime mismatch
+    x.b = y.b;
+    //[base]~^ ERROR lifetime mismatch
+    //[nll]~^^ ERROR lifetime may not live long enough
 }
 
 fn main() {}
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-3.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-3.base.stderr
similarity index 84%
rename from src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-3.stderr
rename to src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-3.base.stderr
index d659c88f69ef7..fb4a2f8f6fe5d 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-3.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-3.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/ex3-both-anon-regions-both-are-structs-3.rs:7:11
+  --> $DIR/ex3-both-anon-regions-both-are-structs-3.rs:11:11
    |
 LL | fn foo(mut x: Ref) {
    |               --- this type is declared with multiple lifetimes...
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-3.nll.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-3.nll.stderr
index 97c665347f6ec..9ba2c38d6fece 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-3.nll.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-3.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/ex3-both-anon-regions-both-are-structs-3.rs:7:5
+  --> $DIR/ex3-both-anon-regions-both-are-structs-3.rs:11:5
    |
 LL | fn foo(mut x: Ref) {
    |        -----
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-3.rs b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-3.rs
index 3b22aef6f3242..665be2aa2c8d6 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-3.rs
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-3.rs
@@ -1,10 +1,16 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 struct Ref<'a, 'b> {
     a: &'a u32,
     b: &'b u32,
 }
 
 fn foo(mut x: Ref) {
-    x.a = x.b; //~ ERROR lifetime mismatch
+    x.a = x.b;
+    //[base]~^ ERROR lifetime mismatch
+    //[nll]~^^ ERROR lifetime may not live long enough
 }
 
 fn main() {}
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-earlybound-regions.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-earlybound-regions.base.stderr
similarity index 97%
rename from src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-earlybound-regions.stderr
rename to src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-earlybound-regions.base.stderr
index 374bbd93d0874..66a993e034044 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-earlybound-regions.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-earlybound-regions.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/ex3-both-anon-regions-both-are-structs-earlybound-regions.rs:9:12
+  --> $DIR/ex3-both-anon-regions-both-are-structs-earlybound-regions.rs:13:12
    |
 LL | fn foo<'a, 'b>(mut x: Vec<Ref<'a>>, y: Ref<'b>)
    |                           -------      ------- these two types are declared with different lifetimes...
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-earlybound-regions.nll.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-earlybound-regions.nll.stderr
index b3d0bc2b882f9..ddf878ba9f914 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-earlybound-regions.nll.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-earlybound-regions.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/ex3-both-anon-regions-both-are-structs-earlybound-regions.rs:9:5
+  --> $DIR/ex3-both-anon-regions-both-are-structs-earlybound-regions.rs:13:5
    |
 LL | fn foo<'a, 'b>(mut x: Vec<Ref<'a>>, y: Ref<'b>)
    |        --  -- lifetime `'b` defined here
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-earlybound-regions.rs b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-earlybound-regions.rs
index 87f9cc17726cd..6e151879f4df1 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-earlybound-regions.rs
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-earlybound-regions.rs
@@ -1,3 +1,7 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 struct Ref<'a> {
     x: &'a u32,
 }
@@ -6,7 +10,9 @@ fn foo<'a, 'b>(mut x: Vec<Ref<'a>>, y: Ref<'b>)
     where &'a (): Sized,
           &'b u32: Sized
 {
-    x.push(y); //~ ERROR lifetime mismatch
+    x.push(y);
+    //[base]~^ ERROR lifetime mismatch
+    //[nll]~^^ ERROR lifetime may not live long enough
 }
 
 fn main() {}
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-latebound-regions.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-latebound-regions.base.stderr
similarity index 97%
rename from src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-latebound-regions.stderr
rename to src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-latebound-regions.base.stderr
index 94798d1ce2ab6..5453dbb08f181 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-latebound-regions.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-latebound-regions.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/ex3-both-anon-regions-both-are-structs-latebound-regions.rs:6:12
+  --> $DIR/ex3-both-anon-regions-both-are-structs-latebound-regions.rs:10:12
    |
 LL | fn foo<'a, 'b>(mut x: Vec<Ref<'a>>, y: Ref<'b>) {
    |                           -------      ------- these two types are declared with different lifetimes...
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-latebound-regions.nll.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-latebound-regions.nll.stderr
index fbe98a4263ec1..cfd3186c80982 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-latebound-regions.nll.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-latebound-regions.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/ex3-both-anon-regions-both-are-structs-latebound-regions.rs:6:5
+  --> $DIR/ex3-both-anon-regions-both-are-structs-latebound-regions.rs:10:5
    |
 LL | fn foo<'a, 'b>(mut x: Vec<Ref<'a>>, y: Ref<'b>) {
    |        --  -- lifetime `'b` defined here
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-latebound-regions.rs b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-latebound-regions.rs
index 4be76c2a0da54..ecc04fbc8adc1 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-latebound-regions.rs
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-latebound-regions.rs
@@ -1,9 +1,15 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 struct Ref<'a> {
     x: &'a u32,
 }
 
 fn foo<'a, 'b>(mut x: Vec<Ref<'a>>, y: Ref<'b>) {
-    x.push(y); //~ ERROR lifetime mismatch
+    x.push(y);
+    //[base]~^ ERROR lifetime mismatch
+    //[nll]~^^ ERROR lifetime may not live long enough
 }
 
 fn main() {}
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs.base.stderr
similarity index 85%
rename from src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs.stderr
rename to src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs.base.stderr
index 9f5a79ed333dc..23e752e4a0e9d 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/ex3-both-anon-regions-both-are-structs.rs:6:12
+  --> $DIR/ex3-both-anon-regions-both-are-structs.rs:10:12
    |
 LL | fn foo(mut x: Vec<Ref>, y: Ref) {
    |                   ---      --- these two types are declared with different lifetimes...
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs.nll.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs.nll.stderr
index 9630729d0ee6a..fa906a90ccc6f 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs.nll.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/ex3-both-anon-regions-both-are-structs.rs:6:5
+  --> $DIR/ex3-both-anon-regions-both-are-structs.rs:10:5
    |
 LL | fn foo(mut x: Vec<Ref>, y: Ref) {
    |        -----            - has type `Ref<'1>`
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs.rs b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs.rs
index 8fbb405a23d95..f002dfc208f11 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs.rs
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs.rs
@@ -1,9 +1,15 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 struct Ref<'a> {
     x: &'a u32,
 }
 
 fn foo(mut x: Vec<Ref>, y: Ref) {
-    x.push(y); //~ ERROR lifetime mismatch
+    x.push(y);
+    //[base]~^ ERROR lifetime mismatch
+    //[nll]~^^ ERROR lifetime may not live long enough
 }
 
 fn main() {}
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-latebound-regions.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-latebound-regions.base.stderr
similarity index 86%
rename from src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-latebound-regions.stderr
rename to src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-latebound-regions.base.stderr
index 2c87f8dbd2c2b..b5fbc091ebc51 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-latebound-regions.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-latebound-regions.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/ex3-both-anon-regions-latebound-regions.rs:2:12
+  --> $DIR/ex3-both-anon-regions-latebound-regions.rs:6:12
    |
 LL | fn foo<'a,'b>(x: &mut Vec<&'a u8>, y: &'b u8) {
    |                           ------      ------ these two types are declared with different lifetimes...
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-latebound-regions.nll.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-latebound-regions.nll.stderr
index 1e24032fc1ce2..d59bee087489d 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-latebound-regions.nll.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-latebound-regions.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/ex3-both-anon-regions-latebound-regions.rs:2:5
+  --> $DIR/ex3-both-anon-regions-latebound-regions.rs:6:5
    |
 LL | fn foo<'a,'b>(x: &mut Vec<&'a u8>, y: &'b u8) {
    |        -- -- lifetime `'b` defined here
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-latebound-regions.rs b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-latebound-regions.rs
index 7938d11a90532..f0a81eba41239 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-latebound-regions.rs
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-latebound-regions.rs
@@ -1,5 +1,11 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 fn foo<'a,'b>(x: &mut Vec<&'a u8>, y: &'b u8) {
-    x.push(y); //~ ERROR lifetime mismatch
+    x.push(y);
+    //[base]~^ ERROR lifetime mismatch
+    //[nll]~^^ ERROR lifetime may not live long enough
 }
 
 fn main() { }
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-2.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-2.base.stderr
similarity index 87%
rename from src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-2.stderr
rename to src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-2.base.stderr
index 60b92ed2b3247..3d9138f02c67b 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-2.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-2.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/ex3-both-anon-regions-one-is-struct-2.rs:4:9
+  --> $DIR/ex3-both-anon-regions-one-is-struct-2.rs:8:9
    |
 LL | fn foo(mut x: Ref, y: &u32) {
    |               ---     ----
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-2.nll.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-2.nll.stderr
index bbd62902d9f44..cac2a9470a8be 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-2.nll.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-2.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/ex3-both-anon-regions-one-is-struct-2.rs:4:5
+  --> $DIR/ex3-both-anon-regions-one-is-struct-2.rs:8:5
    |
 LL | fn foo(mut x: Ref, y: &u32) {
    |        -----          - let's call the lifetime of this reference `'2`
@@ -9,7 +9,7 @@ LL |     y = x.b;
    |     ^^^^^^^ assignment requires that `'1` must outlive `'2`
 
 error[E0384]: cannot assign to immutable argument `y`
-  --> $DIR/ex3-both-anon-regions-one-is-struct-2.rs:4:5
+  --> $DIR/ex3-both-anon-regions-one-is-struct-2.rs:8:5
    |
 LL | fn foo(mut x: Ref, y: &u32) {
    |                    - help: consider making this binding mutable: `mut y`
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-2.rs b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-2.rs
index 1e6425cf5ca9d..31ef28e726d2c 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-2.rs
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-2.rs
@@ -1,7 +1,14 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 struct Ref<'a, 'b> { a: &'a u32, b: &'b u32 }
 
 fn foo(mut x: Ref, y: &u32) {
-    y = x.b; //~ ERROR lifetime mismatch
+    y = x.b;
+    //[base]~^ ERROR lifetime mismatch
+    //[nll]~^^ ERROR lifetime may not live long enough
+    //[nll]~| ERROR cannot assign to immutable argument
 }
 
 fn main() { }
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-3.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-3.base.stderr
similarity index 85%
rename from src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-3.stderr
rename to src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-3.base.stderr
index a220c8ddb2be6..77e035562a809 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-3.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-3.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/ex3-both-anon-regions-one-is-struct-3.rs:4:11
+  --> $DIR/ex3-both-anon-regions-one-is-struct-3.rs:8:11
    |
 LL | fn foo(mut y: Ref, x: &u32) {
    |               ---     ---- these two types are declared with different lifetimes...
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-3.nll.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-3.nll.stderr
index 79e7e8e157d95..ba41cc3e908c5 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-3.nll.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-3.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/ex3-both-anon-regions-one-is-struct-3.rs:4:5
+  --> $DIR/ex3-both-anon-regions-one-is-struct-3.rs:8:5
    |
 LL | fn foo(mut y: Ref, x: &u32) {
    |        -----          - let's call the lifetime of this reference `'1`
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-3.rs b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-3.rs
index 02838362c80a7..9a5ac0a976946 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-3.rs
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-3.rs
@@ -1,7 +1,13 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 struct Ref<'a, 'b> { a: &'a u32, b: &'b u32 }
 
 fn foo(mut y: Ref, x: &u32) {
-    y.b = x; //~ ERROR lifetime mismatch
+    y.b = x;
+    //[base]~^ ERROR lifetime mismatch
+    //[nll]~^^ ERROR lifetime may not live long enough
 }
 
 fn main() { }
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-4.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-4.base.stderr
similarity index 85%
rename from src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-4.stderr
rename to src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-4.base.stderr
index 73472a8d02252..6cbbabb150a64 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-4.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-4.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/ex3-both-anon-regions-one-is-struct-4.rs:4:11
+  --> $DIR/ex3-both-anon-regions-one-is-struct-4.rs:8:11
    |
 LL | fn foo(mut y: Ref, x: &u32) {
    |               ---     ---- these two types are declared with different lifetimes...
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-4.nll.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-4.nll.stderr
index 53615fd1aba69..c9570aa720620 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-4.nll.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-4.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/ex3-both-anon-regions-one-is-struct-4.rs:4:5
+  --> $DIR/ex3-both-anon-regions-one-is-struct-4.rs:8:5
    |
 LL | fn foo(mut y: Ref, x: &u32) {
    |        -----          - let's call the lifetime of this reference `'1`
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-4.rs b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-4.rs
index 02838362c80a7..9a5ac0a976946 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-4.rs
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-4.rs
@@ -1,7 +1,13 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 struct Ref<'a, 'b> { a: &'a u32, b: &'b u32 }
 
 fn foo(mut y: Ref, x: &u32) {
-    y.b = x; //~ ERROR lifetime mismatch
+    y.b = x;
+    //[base]~^ ERROR lifetime mismatch
+    //[nll]~^^ ERROR lifetime may not live long enough
 }
 
 fn main() { }
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct.base.stderr
similarity index 86%
rename from src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct.stderr
rename to src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct.base.stderr
index eb6e6f2e95e78..7caf19e89357c 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/ex3-both-anon-regions-one-is-struct.rs:7:11
+  --> $DIR/ex3-both-anon-regions-one-is-struct.rs:11:11
    |
 LL | fn foo(mut x: Ref, y: &u32) {
    |               ---     ---- these two types are declared with different lifetimes...
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct.nll.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct.nll.stderr
index 6ff4411673756..9b295248fc99e 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct.nll.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/ex3-both-anon-regions-one-is-struct.rs:7:5
+  --> $DIR/ex3-both-anon-regions-one-is-struct.rs:11:5
    |
 LL | fn foo(mut x: Ref, y: &u32) {
    |        -----          - let's call the lifetime of this reference `'1`
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct.rs b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct.rs
index 7c827510be8ae..0b4ee5adacc07 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct.rs
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct.rs
@@ -1,10 +1,16 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 struct Ref<'a, 'b> {
     a: &'a u32,
     b: &'b u32,
 }
 
 fn foo(mut x: Ref, y: &u32) {
-    x.b = y; //~ ERROR lifetime mismatch
+    x.b = y;
+    //[base]~^ ERROR lifetime mismatch
+    //[nll]~^^ ERROR lifetime may not live long enough
 }
 
 fn main() {}
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.base.stderr
similarity index 91%
rename from src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.stderr
rename to src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.base.stderr
index 636904aefb47e..add05a11193a3 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/ex3-both-anon-regions-return-type-is-anon.rs:7:5
+  --> $DIR/ex3-both-anon-regions-return-type-is-anon.rs:11:5
    |
 LL |   fn foo<'a>(&self, x: &i32) -> &i32 {
    |                        ----     ----
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.nll.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.nll.stderr
index 5601335d275c3..188ff4d77e025 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.nll.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/ex3-both-anon-regions-return-type-is-anon.rs:7:5
+  --> $DIR/ex3-both-anon-regions-return-type-is-anon.rs:11:5
    |
 LL |   fn foo<'a>(&self, x: &i32) -> &i32 {
    |              -         - let's call the lifetime of this reference `'1`
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.rs b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.rs
index 286cb6dc90e1b..a4f838c074749 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.rs
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.rs
@@ -1,10 +1,16 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 struct Foo {
   field: i32
 }
 
 impl Foo {
   fn foo<'a>(&self, x: &i32) -> &i32 {
-    x //~ ERROR lifetime mismatch
+    x
+    //[base]~^ ERROR lifetime mismatch
+    //[nll]~^^ ERROR lifetime may not live long enough
   }
 }
 
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-self-is-anon.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-self-is-anon.base.stderr
similarity index 93%
rename from src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-self-is-anon.stderr
rename to src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-self-is-anon.base.stderr
index 474eadb7f9236..365a0ab3b1027 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-self-is-anon.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-self-is-anon.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/ex3-both-anon-regions-self-is-anon.rs:7:19
+  --> $DIR/ex3-both-anon-regions-self-is-anon.rs:11:19
    |
 LL |     fn foo<'a>(&self, x: &Foo) -> &Foo {
    |                          ----     ----
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-self-is-anon.nll.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-self-is-anon.nll.stderr
index e221902c4a907..ed9b81f7d0199 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-self-is-anon.nll.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-self-is-anon.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/ex3-both-anon-regions-self-is-anon.rs:7:19
+  --> $DIR/ex3-both-anon-regions-self-is-anon.rs:11:19
    |
 LL |     fn foo<'a>(&self, x: &Foo) -> &Foo {
    |                -         - let's call the lifetime of this reference `'1`
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-self-is-anon.rs b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-self-is-anon.rs
index 79d7d63c8bb1e..c5854537a5ff4 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-self-is-anon.rs
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-self-is-anon.rs
@@ -1,10 +1,16 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 struct Foo {
     field: i32,
 }
 
 impl Foo {
     fn foo<'a>(&self, x: &Foo) -> &Foo {
-        if true { x } else { self } //~ ERROR lifetime mismatch
+        if true { x } else { self }
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 }
 
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-fn-items.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-fn-items.base.stderr
similarity index 91%
rename from src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-fn-items.stderr
rename to src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-fn-items.base.stderr
index 6ed3528bb9faa..755e9798170cc 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-fn-items.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-fn-items.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/ex3-both-anon-regions-using-fn-items.rs:2:10
+  --> $DIR/ex3-both-anon-regions-using-fn-items.rs:6:10
    |
 LL | fn foo(x:fn(&u8, &u8), y: Vec<&u8>, z: &u8) {
    |                               ---      --- these two types are declared with different lifetimes...
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-fn-items.nll.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-fn-items.nll.stderr
index a909c5fa82351..904a09610fcec 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-fn-items.nll.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-fn-items.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/ex3-both-anon-regions-using-fn-items.rs:2:3
+  --> $DIR/ex3-both-anon-regions-using-fn-items.rs:6:3
    |
 LL | fn foo(x:fn(&u8, &u8), y: Vec<&u8>, z: &u8) {
    |                               -        - let's call the lifetime of this reference `'1`
@@ -14,7 +14,7 @@ LL | fn foo<'a>(x:fn(&u8, &u8), y: Vec<&'a u8>, z: &'a u8) {
    |       ++++                         ++          ++
 
 error[E0596]: cannot borrow `y` as mutable, as it is not declared as mutable
-  --> $DIR/ex3-both-anon-regions-using-fn-items.rs:2:3
+  --> $DIR/ex3-both-anon-regions-using-fn-items.rs:6:3
    |
 LL | fn foo(x:fn(&u8, &u8), y: Vec<&u8>, z: &u8) {
    |                        - help: consider changing this to be mutable: `mut y`
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-fn-items.rs b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-fn-items.rs
index f9f1a75df5863..4b2280b66f288 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-fn-items.rs
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-fn-items.rs
@@ -1,5 +1,12 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 fn foo(x:fn(&u8, &u8), y: Vec<&u8>, z: &u8) {
-  y.push(z); //~ ERROR lifetime mismatch
+  y.push(z);
+  //[base]~^ ERROR lifetime mismatch
+  //[nll]~^^ ERROR lifetime may not live long enough
+  //[nll]~| ERROR cannot borrow
 }
 
 fn main() { }
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-impl-items.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-impl-items.base.stderr
similarity index 91%
rename from src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-impl-items.stderr
rename to src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-impl-items.base.stderr
index 68893781dc291..6a8b07dbec873 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-impl-items.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-impl-items.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/ex3-both-anon-regions-using-impl-items.rs:6:16
+  --> $DIR/ex3-both-anon-regions-using-impl-items.rs:10:16
    |
 LL |     fn foo(x: &mut Vec<&u8>, y: &u8) {
    |                        ---      --- these two types are declared with different lifetimes...
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-impl-items.nll.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-impl-items.nll.stderr
index 9661f1e5144b4..46b9e98907d15 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-impl-items.nll.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-impl-items.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/ex3-both-anon-regions-using-impl-items.rs:6:9
+  --> $DIR/ex3-both-anon-regions-using-impl-items.rs:10:9
    |
 LL |     fn foo(x: &mut Vec<&u8>, y: &u8) {
    |                        -        - let's call the lifetime of this reference `'1`
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-impl-items.rs b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-impl-items.rs
index 6f95d5a710dfb..242a2d6fd4f69 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-impl-items.rs
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-impl-items.rs
@@ -1,9 +1,15 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 trait Foo {
     fn foo<'a>(x: &mut Vec<&u8>, y: &u8);
 }
 impl Foo for () {
     fn foo(x: &mut Vec<&u8>, y: &u8) {
-        x.push(y); //~ ERROR lifetime mismatch
+        x.push(y);
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 }
 fn main() {}
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-trait-objects.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-trait-objects.base.stderr
similarity index 91%
rename from src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-trait-objects.stderr
rename to src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-trait-objects.base.stderr
index ede1631db271c..e38dd0fc6eefc 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-trait-objects.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-trait-objects.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/ex3-both-anon-regions-using-trait-objects.rs:2:10
+  --> $DIR/ex3-both-anon-regions-using-trait-objects.rs:6:10
    |
 LL | fn foo(x:Box<dyn Fn(&u8, &u8)> , y: Vec<&u8>, z: &u8) {
    |                     ---  --- these two types are declared with different lifetimes...
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-trait-objects.nll.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-trait-objects.nll.stderr
index cce0a31bfbbf1..54172a845d77e 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-trait-objects.nll.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-trait-objects.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/ex3-both-anon-regions-using-trait-objects.rs:2:3
+  --> $DIR/ex3-both-anon-regions-using-trait-objects.rs:6:3
    |
 LL | fn foo(x:Box<dyn Fn(&u8, &u8)> , y: Vec<&u8>, z: &u8) {
    |                                         -        - let's call the lifetime of this reference `'1`
@@ -14,7 +14,7 @@ LL | fn foo<'a>(x:Box<dyn Fn(&'a u8, &'a u8)> , y: Vec<&u8>, z: &u8) {
    |       ++++               ++      ++
 
 error[E0596]: cannot borrow `y` as mutable, as it is not declared as mutable
-  --> $DIR/ex3-both-anon-regions-using-trait-objects.rs:2:3
+  --> $DIR/ex3-both-anon-regions-using-trait-objects.rs:6:3
    |
 LL | fn foo(x:Box<dyn Fn(&u8, &u8)> , y: Vec<&u8>, z: &u8) {
    |                                  - help: consider changing this to be mutable: `mut y`
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-trait-objects.rs b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-trait-objects.rs
index 6625d41c7de2a..b93d75b156d5a 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-trait-objects.rs
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-trait-objects.rs
@@ -1,5 +1,12 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 fn foo(x:Box<dyn Fn(&u8, &u8)> , y: Vec<&u8>, z: &u8) {
-  y.push(z); //~ ERROR lifetime mismatch
+  y.push(z);
+  //[base]~^ ERROR lifetime mismatch
+  //[nll]~^^ ERROR lifetime may not live long enough
+  //[nll]~| ERROR cannot borrow
 }
 
 fn main() { }
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions.base.stderr
similarity index 93%
rename from src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions.stderr
rename to src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions.base.stderr
index cf405c0de3f0b..dd96c6eef68e7 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/ex3-both-anon-regions.rs:2:12
+  --> $DIR/ex3-both-anon-regions.rs:6:12
    |
 LL | fn foo(x: &mut Vec<&u8>, y: &u8) {
    |                    ---      --- these two types are declared with different lifetimes...
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions.nll.stderr b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions.nll.stderr
index ec9fac0c288e0..48e09e37241da 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions.nll.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/ex3-both-anon-regions.rs:2:5
+  --> $DIR/ex3-both-anon-regions.rs:6:5
    |
 LL | fn foo(x: &mut Vec<&u8>, y: &u8) {
    |                    -        - let's call the lifetime of this reference `'1`
diff --git a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions.rs b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions.rs
index 44195dadbb9f1..b1d30e83b6213 100644
--- a/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions.rs
+++ b/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions.rs
@@ -1,5 +1,11 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 fn foo(x: &mut Vec<&u8>, y: &u8) {
-    x.push(y); //~ ERROR lifetime mismatch
+    x.push(y);
+    //[base]~^ ERROR lifetime mismatch
+    //[nll]~^^ ERROR lifetime may not live long enough
 }
 
 fn main() { }
diff --git a/src/test/ui/lifetimes/lifetime-errors/issue_74400.stderr b/src/test/ui/lifetimes/lifetime-errors/issue_74400.base.stderr
similarity index 92%
rename from src/test/ui/lifetimes/lifetime-errors/issue_74400.stderr
rename to src/test/ui/lifetimes/lifetime-errors/issue_74400.base.stderr
index d972861a2b567..ba672f2971820 100644
--- a/src/test/ui/lifetimes/lifetime-errors/issue_74400.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/issue_74400.base.stderr
@@ -1,5 +1,5 @@
 error: implementation of `FnOnce` is not general enough
-  --> $DIR/issue_74400.rs:12:5
+  --> $DIR/issue_74400.rs:16:5
    |
 LL |     f(data, identity)
    |     ^ implementation of `FnOnce` is not general enough
diff --git a/src/test/ui/lifetimes/lifetime-errors/issue_74400.nll.stderr b/src/test/ui/lifetimes/lifetime-errors/issue_74400.nll.stderr
index 2906c05864bae..645d14cd54b89 100644
--- a/src/test/ui/lifetimes/lifetime-errors/issue_74400.nll.stderr
+++ b/src/test/ui/lifetimes/lifetime-errors/issue_74400.nll.stderr
@@ -1,5 +1,5 @@
 error[E0310]: the parameter type `T` may not live long enough
-  --> $DIR/issue_74400.rs:12:5
+  --> $DIR/issue_74400.rs:16:5
    |
 LL |     f(data, identity)
    |     ^^^^^^^^^^^^^^^^^ ...so that the type `T` will meet its required lifetime bounds
@@ -10,7 +10,7 @@ LL | fn g<T: 'static>(data: &[T]) {
    |       +++++++++
 
 error[E0308]: mismatched types
-  --> $DIR/issue_74400.rs:12:5
+  --> $DIR/issue_74400.rs:16:5
    |
 LL |     f(data, identity)
    |     ^^^^^^^^^^^^^^^^^ one type is more general than the other
@@ -18,13 +18,13 @@ LL |     f(data, identity)
    = note: expected type `for<'r> Fn<(&'r T,)>`
               found type `Fn<(&T,)>`
 note: the lifetime requirement is introduced here
-  --> $DIR/issue_74400.rs:8:34
+  --> $DIR/issue_74400.rs:12:34
    |
 LL | fn f<T, S>(data: &[T], key: impl Fn(&T) -> S) {
    |                                  ^^^^^^^^^^^
 
 error: implementation of `FnOnce` is not general enough
-  --> $DIR/issue_74400.rs:12:5
+  --> $DIR/issue_74400.rs:16:5
    |
 LL |     f(data, identity)
    |     ^^^^^^^^^^^^^^^^^ implementation of `FnOnce` is not general enough
diff --git a/src/test/ui/lifetimes/lifetime-errors/issue_74400.rs b/src/test/ui/lifetimes/lifetime-errors/issue_74400.rs
index f83384524f718..fdaf2f8a591c9 100644
--- a/src/test/ui/lifetimes/lifetime-errors/issue_74400.rs
+++ b/src/test/ui/lifetimes/lifetime-errors/issue_74400.rs
@@ -1,6 +1,10 @@
 //! Regression test for #74400: Type mismatch in function arguments E0631, E0271 are falsely
 //! recognized as E0308 mismatched types.
 
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 use std::convert::identity;
 
 fn main() {}
@@ -9,5 +13,9 @@ fn f<T, S>(data: &[T], key: impl Fn(&T) -> S) {
 }
 
 fn g<T>(data: &[T]) {
-    f(data, identity) //~ ERROR implementation of `FnOnce` is not general
+    f(data, identity)
+    //[base]~^ ERROR implementation of `FnOnce` is not general
+    //[nll]~^^ ERROR the parameter type
+    //[nll]~| ERROR mismatched types
+    //[nll]~| ERROR implementation of `FnOnce` is not general
 }
diff --git a/src/test/ui/lifetimes/re-empty-in-error.stderr b/src/test/ui/lifetimes/re-empty-in-error.base.stderr
similarity index 84%
rename from src/test/ui/lifetimes/re-empty-in-error.stderr
rename to src/test/ui/lifetimes/re-empty-in-error.base.stderr
index 227e3ca613961..7dfe23f4f01cc 100644
--- a/src/test/ui/lifetimes/re-empty-in-error.stderr
+++ b/src/test/ui/lifetimes/re-empty-in-error.base.stderr
@@ -1,11 +1,11 @@
 error[E0477]: the type `&'b ()` does not fulfill the required lifetime
-  --> $DIR/re-empty-in-error.rs:8:5
+  --> $DIR/re-empty-in-error.rs:12:5
    |
 LL |     foo(&10);
    |     ^^^
    |
 note: type must outlive the empty lifetime as required by this binding
-  --> $DIR/re-empty-in-error.rs:3:47
+  --> $DIR/re-empty-in-error.rs:7:47
    |
 LL | fn foo<'a>(_a: &'a u32) where for<'b> &'b (): 'a {
    |                                               ^^
diff --git a/src/test/ui/lifetimes/re-empty-in-error.nll.stderr b/src/test/ui/lifetimes/re-empty-in-error.nll.stderr
index 9becdab918675..cddb5732f9868 100644
--- a/src/test/ui/lifetimes/re-empty-in-error.nll.stderr
+++ b/src/test/ui/lifetimes/re-empty-in-error.nll.stderr
@@ -1,5 +1,5 @@
 error: higher-ranked lifetime error
-  --> $DIR/re-empty-in-error.rs:8:5
+  --> $DIR/re-empty-in-error.rs:12:5
    |
 LL |     foo(&10);
    |     ^^^^^^^^
diff --git a/src/test/ui/lifetimes/re-empty-in-error.rs b/src/test/ui/lifetimes/re-empty-in-error.rs
index 41c3718592dee..fdb0a3002c4d9 100644
--- a/src/test/ui/lifetimes/re-empty-in-error.rs
+++ b/src/test/ui/lifetimes/re-empty-in-error.rs
@@ -1,10 +1,16 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 // We didn't have a single test mentioning
 // `ReEmpty` and this test changes that.
 fn foo<'a>(_a: &'a u32) where for<'b> &'b (): 'a {
-    //~^ NOTE type must outlive the empty lifetime as required by this binding
+    //[base]~^ NOTE type must outlive the empty lifetime as required by this binding
 }
 
 fn main() {
     foo(&10);
-    //~^ ERROR the type `&'b ()` does not fulfill the required lifetime
+    //[base]~^ ERROR the type `&'b ()` does not fulfill the required lifetime
+    //[nll]~^^ ERROR higher-ranked lifetime error
+    //[nll]~| NOTE could not prove
 }