Auto merge of #83360 - Dylan-DPC:rollup-17xulpv, r=Dylan-DPC

Rollup of 9 pull requests

Successful merges:

 - #80193 (stabilize `feature(osstring_ascii)`)
 - #80771 (Make NonNull::as_ref (and friends) return refs with unbound lifetimes)
 - #81607 (Implement TrustedLen and TrustedRandomAccess for Range<integer>, array::IntoIter, VecDequeue's iterators)
 - #82554 (Fix invalid slice access in String::retain)
 - #82686 (Move `std::sys::unix::platform` to `std::sys::unix::ext`)
 - #82771 (slice: Stabilize IterMut::as_slice.)
 - #83329 (Cleanup LLVM debuginfo module docs)
 - #83336 (Fix ICE with `use clippy::a::b;`)
 - #83350 (Download a more recent LLVM version if `src/version` is modified)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup

2 files changed, 35 insertions, 0 deletions

diff --git a/src/test/ui/imports/tool-mod-child.rs b/src/test/ui/imports/tool-mod-child.rs
new file mode 100644
index 00000000000..4581dc2e2ad
--- /dev/null
+++ b/src/test/ui/imports/tool-mod-child.rs
@@ -0,0 +1,7 @@
+use clippy::a; //~ ERROR unresolved import `clippy`
+use clippy::a::b; //~ ERROR failed to resolve: maybe a missing crate `clippy`?
+
+use rustdoc::a; //~ ERROR unresolved import `rustdoc`
+use rustdoc::a::b; //~ ERROR failed to resolve: maybe a missing crate `rustdoc`?
+
+fn main() {}
diff --git a/src/test/ui/imports/tool-mod-child.stderr b/src/test/ui/imports/tool-mod-child.stderr
new file mode 100644
index 00000000000..efab4f6a74f
--- /dev/null
+++ b/src/test/ui/imports/tool-mod-child.stderr
@@ -0,0 +1,28 @@
+error[E0433]: failed to resolve: maybe a missing crate `clippy`?
+  --> $DIR/tool-mod-child.rs:2:5
+   |
+LL | use clippy::a::b;
+   |     ^^^^^^ maybe a missing crate `clippy`?
+
+error[E0432]: unresolved import `clippy`
+  --> $DIR/tool-mod-child.rs:1:5
+   |
+LL | use clippy::a;
+   |     ^^^^^^ maybe a missing crate `clippy`?
+
+error[E0433]: failed to resolve: maybe a missing crate `rustdoc`?
+  --> $DIR/tool-mod-child.rs:5:5
+   |
+LL | use rustdoc::a::b;
+   |     ^^^^^^^ maybe a missing crate `rustdoc`?
+
+error[E0432]: unresolved import `rustdoc`
+  --> $DIR/tool-mod-child.rs:4:5
+   |
+LL | use rustdoc::a;
+   |     ^^^^^^^ maybe a missing crate `rustdoc`?
+
+error: aborting due to 4 previous errors
+
+Some errors have detailed explanations: E0432, E0433.
+For more information about an error, try `rustc --explain E0432`.