Auto merge of #140695 - Zalathar:rollup-i32gzbo, r=Zalathar

Rollup of 12 pull requests

Successful merges:

 - #139550 (Fix `-Zremap-path-scope` rmeta handling)
 - #139764 (Consistent trait bounds for ExtractIf Debug impls)
 - #139773 (Implement `Iterator::last` for `vec::IntoIter`)
 - #140035 (Implement RFC 3503: frontmatters)
 - #140251 (coverage-dump: Resolve global file IDs to filenames)
 - #140393 (std: get rid of `sys_common::process`)
 - #140532 (Fix RustAnalyzer discovery of rustc's `stable_mir` crate)
 - #140598 (Steer docs to `utf8_chunks` and `Iterator::take`)
 - #140634 (Use more accurate ELF flags on MIPS)
 - #140673 (Clean rustdoc tests folder)
 - #140678 (Be a bit more relaxed about not yet constrained infer vars in closure upvar analysis)
 - #140687 (Update mdbook to 0.4.49)

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

1 files changed, 14 insertions, 0 deletions

diff --git a/tests/rustdoc/impl/duplicated_impl.rs b/tests/rustdoc/impl/duplicated_impl.rs
new file mode 100644
index 00000000000..e7828885cc1
--- /dev/null
+++ b/tests/rustdoc/impl/duplicated_impl.rs
@@ -0,0 +1,14 @@
+// This test ensures that the same implementation doesn't show more than once.
+// It's a regression test for https://github.com/rust-lang/rust/issues/96036.
+
+#![crate_name = "foo"]
+
+// We check that there is only one "impl<T> Something<Whatever> for T" listed in the
+// blanket implementations.
+
+//@ has 'foo/struct.Whatever.html'
+//@ count - '//*[@id="blanket-implementations-list"]/section[@class="impl"]' 1
+
+pub trait Something<T> { }
+pub struct Whatever;
+impl<T> Something<Whatever> for T {}