[beta] backport

compiler/rustc_metadata/src/rmeta/encoder.rs

@@ -823,6 +823,8 @@ fn should_encode_span(def_kind: DefKind) -> bool {
         | DefKind::TraitAlias
         | DefKind::AssocTy
         | DefKind::TyParam
+        | DefKind::ConstParam
+        | DefKind::LifetimeParam
         | DefKind::Fn
         | DefKind::Const
         | DefKind::Static(_)
@@ -837,12 +839,10 @@ fn should_encode_span(def_kind: DefKind) -> bool {
         | DefKind::Impl { .. }
         | DefKind::Closure
         | DefKind::Generator => true,
-        DefKind::ConstParam
-        | DefKind::ExternCrate
+        DefKind::ExternCrate
         | DefKind::Use
         | DefKind::ForeignMod
         | DefKind::ImplTraitPlaceholder
-        | DefKind::LifetimeParam
         | DefKind::GlobalAsm => false,
     }
 }

compiler/rustc_session/src/filesearch.rs

@@ -227,28 +227,29 @@ pub fn get_or_default_sysroot() -> Result<PathBuf, String> {
         ))?;
 
         // if `dir` points target's dir, move up to the sysroot
-        if dir.ends_with(crate::config::host_triple()) {
+        let mut sysroot_dir = if dir.ends_with(crate::config::host_triple()) {
             dir.parent() // chop off `$target`
                 .and_then(|p| p.parent()) // chop off `rustlib`
-                .and_then(|p| {
-                    // chop off `lib` (this could be also $arch dir if the host sysroot uses a
-                    // multi-arch layout like Debian or Ubuntu)
-                    match p.parent() {
-                        Some(p) => match p.file_name() {
-                            Some(f) if f == "lib" => p.parent(), // first chop went for $arch, so chop again for `lib`
-                            _ => Some(p),
-                        },
-                        None => None,
-                    }
-                })
+                .and_then(|p| p.parent()) // chop off `lib`
                 .map(|s| s.to_owned())
-                .ok_or(format!(
-                    "Could not move 3 levels upper using `parent()` on {}",
-                    dir.display()
-                ))
+                .ok_or_else(|| {
+                    format!("Could not move 3 levels upper using `parent()` on {}", dir.display())
+                })?
         } else {
-            Ok(dir.to_owned())
+            dir.to_owned()
+        };
+
+        // On multiarch linux systems, there will be multiarch directory named
+        // with the architecture(e.g `x86_64-linux-gnu`) under the `lib` directory.
+        // Which cause us to mistakenly end up in the lib directory instead of the sysroot directory.
+        if sysroot_dir.ends_with("lib") {
+            sysroot_dir =
+                sysroot_dir.parent().map(|real_sysroot| real_sysroot.to_owned()).ok_or_else(
+                    || format!("Could not move to parent path of {}", sysroot_dir.display()),
+                )?
         }
+
+        Ok(sysroot_dir)
     }
 
     // Use env::args().next() to get the path of the executable without

src/ci/scripts/install-awscli.sh

@@ -10,15 +10,14 @@
 #
 # Before compressing please make sure all the wheels end with `-none-any.whl`.
 # If that's not the case you'll need to remove the non-cross-platform ones and
-# replace them with the .tar.gz downloaded from https://pypi.org. Also make
-# sure it's possible to call this script with both Python 2 and Python 3.
+# replace them with the .tar.gz downloaded from https://pypi.org.
 
 set -euo pipefail
 IFS=$'\n\t'
 
 source "$(cd "$(dirname "$0")" && pwd)/../shared.sh"
 
-MIRROR="${MIRRORS_BASE}/2019-07-27-awscli.tar"
+MIRROR="${MIRRORS_BASE}/2023-04-28-awscli.tar"
 DEPS_DIR="/tmp/awscli-deps"
 
 pip="pip"
@@ -29,6 +28,8 @@ if isLinux; then
 
     sudo apt-get install -y python3-setuptools python3-wheel
     ciCommandAddPath "${HOME}/.local/bin"
+elif isMacOS; then
+    pip="pip3"
 fi
 
 mkdir -p "${DEPS_DIR}"

tests/run-make/jobserver-error/Makefile

@@ -1,6 +1,7 @@
 include ../tools.mk
 
 # only-linux
+# ignore-test: This test randomly fails, see https://github.com/rust-lang/rust/issues/110321
 
 # Test compiler behavior in case: `jobserver-auth` points to correct pipe which is not jobserver.
 

tests/ui/generics/auxiliary/foreign-generic-mismatch.rs

@@ -0,0 +1,3 @@
+pub fn const_arg<const N: usize, T>() {}
+
+pub fn lt_arg<'a: 'a>() {}

tests/ui/generics/foreign-generic-mismatch.rs

@@ -0,0 +1,10 @@
+// aux-build: foreign-generic-mismatch.rs
+
+extern crate foreign_generic_mismatch;
+
+fn main() {
+    foreign_generic_mismatch::const_arg::<()>();
+    //~^ ERROR function takes 2 generic arguments but 1 generic argument was supplied
+    foreign_generic_mismatch::lt_arg::<'static, 'static>();
+    //~^ ERROR function takes 1 lifetime argument but 2 lifetime arguments were supplied
+}

tests/ui/generics/foreign-generic-mismatch.stderr

@@ -0,0 +1,35 @@
+error[E0107]: function takes 2 generic arguments but 1 generic argument was supplied
+  --> $DIR/foreign-generic-mismatch.rs:6:31
+   |
+LL |     foreign_generic_mismatch::const_arg::<()>();
+   |                               ^^^^^^^^^   -- supplied 1 generic argument
+   |                               |
+   |                               expected 2 generic arguments
+   |
+note: function defined here, with 2 generic parameters: `N`, `T`
+  --> $DIR/auxiliary/foreign-generic-mismatch.rs:1:8
+   |
+LL | pub fn const_arg<const N: usize, T>() {}
+   |        ^^^^^^^^^ --------------  -
+help: add missing generic argument
+   |
+LL |     foreign_generic_mismatch::const_arg::<(), T>();
+   |                                             +++
+
+error[E0107]: function takes 1 lifetime argument but 2 lifetime arguments were supplied
+  --> $DIR/foreign-generic-mismatch.rs:8:31
+   |
+LL |     foreign_generic_mismatch::lt_arg::<'static, 'static>();
+   |                               ^^^^^^            ------- help: remove this lifetime argument
+   |                               |
+   |                               expected 1 lifetime argument
+   |
+note: function defined here, with 1 lifetime parameter: `'a`
+  --> $DIR/auxiliary/foreign-generic-mismatch.rs:3:8
+   |
+LL | pub fn lt_arg<'a: 'a>() {}
+   |        ^^^^^^ --
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0107`.