From 1ed7ebb1a57780350de213497d9d43fd5764a6c3 Mon Sep 17 00:00:00 2001
From: Michael Goulet <michael@errs.io>
Date: Thu, 19 Oct 2023 19:01:59 +0000
Subject: [PATCH] Add test for implicitly capturing late-bound var with new
 capture rules

---
 tests/ui/impl-trait/implicit-capture-late.rs     | 14 ++++++++++++++
 tests/ui/impl-trait/implicit-capture-late.stderr |  9 +++++++++
 2 files changed, 23 insertions(+)
 create mode 100644 tests/ui/impl-trait/implicit-capture-late.rs
 create mode 100644 tests/ui/impl-trait/implicit-capture-late.stderr

diff --git a/tests/ui/impl-trait/implicit-capture-late.rs b/tests/ui/impl-trait/implicit-capture-late.rs
new file mode 100644
index 0000000000000..8bfb16760c918
--- /dev/null
+++ b/tests/ui/impl-trait/implicit-capture-late.rs
@@ -0,0 +1,14 @@
+// known-bug: #117647
+
+#![feature(lifetime_capture_rules_2024)]
+#![feature(rustc_attrs)]
+#![allow(internal_features)]
+#![rustc_variance_of_opaques]
+
+use std::ops::Deref;
+
+fn foo(x: Vec<i32>) -> Box<dyn for<'a> Deref<Target = impl ?Sized>> {
+    Box::new(x)
+}
+
+fn main() {}
diff --git a/tests/ui/impl-trait/implicit-capture-late.stderr b/tests/ui/impl-trait/implicit-capture-late.stderr
new file mode 100644
index 0000000000000..4d760d69513bf
--- /dev/null
+++ b/tests/ui/impl-trait/implicit-capture-late.stderr
@@ -0,0 +1,9 @@
+error[E0657]: `impl Trait` can only capture lifetimes bound at the fn or impl level
+  --> $DIR/implicit-capture-late.rs:10:36
+   |
+LL | fn foo(x: Vec<i32>) -> Box<dyn for<'a> Deref<Target = impl ?Sized>> {
+   |                                    ^^
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0657`.