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

13 files changed, 143 insertions, 0 deletions

diff --git a/tests/rustdoc/impl/auxiliary/cross-crate-hidden-impl-parameter.rs b/tests/rustdoc/impl/auxiliary/cross-crate-hidden-impl-parameter.rs
new file mode 100644
index 00000000000..15953122280
--- /dev/null
+++ b/tests/rustdoc/impl/auxiliary/cross-crate-hidden-impl-parameter.rs
@@ -0,0 +1,5 @@
+#[doc(hidden)]
+pub enum HiddenType {}
+
+#[doc(hidden)]
+pub trait HiddenTrait {}
diff --git a/tests/rustdoc/impl/auxiliary/extern-impl-trait.rs b/tests/rustdoc/impl/auxiliary/extern-impl-trait.rs
new file mode 100644
index 00000000000..dbd54393098
--- /dev/null
+++ b/tests/rustdoc/impl/auxiliary/extern-impl-trait.rs
@@ -0,0 +1,27 @@
+pub trait Foo {
+    type Associated;
+}
+
+pub struct X;
+pub struct Y;
+
+
+impl Foo for X {
+    type Associated = ();
+}
+
+impl Foo for Y {
+    type Associated = ();
+}
+
+impl X {
+    pub fn returns_sized<'a>(&'a self) -> impl Foo<Associated=()> + 'a {
+        X
+    }
+}
+
+impl Y {
+    pub fn returns_unsized<'a>(&'a self) -> Box<impl ?Sized + Foo<Associated=()> + 'a> {
+        Box::new(X)
+    }
+}
diff --git a/tests/rustdoc/impl/auxiliary/incoherent-impl-types.rs b/tests/rustdoc/impl/auxiliary/incoherent-impl-types.rs
new file mode 100644
index 00000000000..fc51e42e500
--- /dev/null
+++ b/tests/rustdoc/impl/auxiliary/incoherent-impl-types.rs
@@ -0,0 +1,7 @@
+#![feature(rustc_attrs)]
+
+#[rustc_has_incoherent_inherent_impls]
+pub trait FooTrait {}
+
+#[rustc_has_incoherent_inherent_impls]
+pub struct FooStruct;
diff --git a/tests/rustdoc/impl/auxiliary/issue-100204-aux.rs b/tests/rustdoc/impl/auxiliary/issue-100204-aux.rs
new file mode 100644
index 00000000000..df1b59069be
--- /dev/null
+++ b/tests/rustdoc/impl/auxiliary/issue-100204-aux.rs
@@ -0,0 +1,13 @@
+#![crate_name="first"]
+
+pub mod prelude {
+    pub use crate::Bot;
+}
+
+pub struct Bot;
+
+impl Bot {
+    pub fn new() -> Bot {
+        Bot
+    }
+}
diff --git a/tests/rustdoc/impl/auxiliary/issue-17476.rs b/tests/rustdoc/impl/auxiliary/issue-17476.rs
new file mode 100644
index 00000000000..0a63b893fff
--- /dev/null
+++ b/tests/rustdoc/impl/auxiliary/issue-17476.rs
@@ -0,0 +1,7 @@
+//@ compile-flags: -Cmetadata=aux
+
+#![doc(html_root_url = "http://example.com")]
+
+pub trait Foo {
+    fn foo(&self) {}
+}
diff --git a/tests/rustdoc/impl/auxiliary/issue-21092.rs b/tests/rustdoc/impl/auxiliary/issue-21092.rs
new file mode 100644
index 00000000000..49522e0d4b5
--- /dev/null
+++ b/tests/rustdoc/impl/auxiliary/issue-21092.rs
@@ -0,0 +1,12 @@
+//@ compile-flags: -Cmetadata=aux
+
+pub trait Foo {
+    type Bar;
+    fn foo(&self) {}
+}
+
+pub struct Bar;
+
+impl Foo for Bar {
+    type Bar = i32;
+}
diff --git a/tests/rustdoc/impl/auxiliary/issue-22025.rs b/tests/rustdoc/impl/auxiliary/issue-22025.rs
new file mode 100644
index 00000000000..6bc55073283
--- /dev/null
+++ b/tests/rustdoc/impl/auxiliary/issue-22025.rs
@@ -0,0 +1,10 @@
+//@ compile-flags: -Cmetadata=aux
+
+pub mod foo {
+
+    pub trait Foo {}
+    pub struct Bar;
+
+    impl Foo for Bar {}
+
+}
diff --git a/tests/rustdoc/impl/auxiliary/issue-53689.rs b/tests/rustdoc/impl/auxiliary/issue-53689.rs
new file mode 100644
index 00000000000..5003c2c00f4
--- /dev/null
+++ b/tests/rustdoc/impl/auxiliary/issue-53689.rs
@@ -0,0 +1 @@
+pub struct MyStruct;
diff --git a/tests/rustdoc/impl/auxiliary/precise-capturing.rs b/tests/rustdoc/impl/auxiliary/precise-capturing.rs
new file mode 100644
index 00000000000..531d4dfdccc
--- /dev/null
+++ b/tests/rustdoc/impl/auxiliary/precise-capturing.rs
@@ -0,0 +1,7 @@
+#![feature(precise_capturing)]
+
+pub fn cross_crate_empty() -> impl Sized + use<> {}
+
+pub fn cross_crate_missing() -> impl Sized {}
+
+pub fn cross_crate_args<'a, T, const N: usize>() -> impl Sized + use<'a, T, N> {}
diff --git a/tests/rustdoc/impl/auxiliary/real_gimli.rs b/tests/rustdoc/impl/auxiliary/real_gimli.rs
new file mode 100644
index 00000000000..871d9b31be9
--- /dev/null
+++ b/tests/rustdoc/impl/auxiliary/real_gimli.rs
@@ -0,0 +1,13 @@
+//@ aux-build:realcore.rs
+
+#![crate_name = "real_gimli"]
+#![feature(staged_api, extremely_unstable)]
+#![unstable(feature = "rustc_private", issue = "none")]
+
+extern crate realcore;
+
+#[unstable(feature = "rustc_private", issue = "none")]
+pub struct EndianSlice;
+
+#[unstable(feature = "rustc_private", issue = "none")]
+impl realcore::Deref for EndianSlice {}
diff --git a/tests/rustdoc/impl/auxiliary/realcore.rs b/tests/rustdoc/impl/auxiliary/realcore.rs
new file mode 100644
index 00000000000..e0a906df002
--- /dev/null
+++ b/tests/rustdoc/impl/auxiliary/realcore.rs
@@ -0,0 +1,15 @@
+#![crate_name = "realcore"]
+#![feature(staged_api)]
+#![unstable(feature = "extremely_unstable", issue = "none")]
+
+#[unstable(feature = "extremely_unstable_foo", issue = "none")]
+pub struct Foo {}
+
+#[unstable(feature = "extremely_unstable_foo", issue = "none")]
+pub trait Join {}
+
+#[unstable(feature = "extremely_unstable_foo", issue = "none")]
+impl Join for Foo {}
+
+#[stable(feature = "faked_deref", since = "1.47.0")]
+pub trait Deref {}
diff --git a/tests/rustdoc/impl/auxiliary/rustdoc-default-impl.rs b/tests/rustdoc/impl/auxiliary/rustdoc-default-impl.rs
new file mode 100644
index 00000000000..032db3b25e6
--- /dev/null
+++ b/tests/rustdoc/impl/auxiliary/rustdoc-default-impl.rs
@@ -0,0 +1,23 @@
+#![feature(auto_traits)]
+
+pub mod bar {
+    use std::marker;
+
+    pub auto trait Bar {}
+
+    pub trait Foo {
+        fn foo(&self) {}
+    }
+
+    impl Foo {
+        pub fn test<T: Bar>(&self) {}
+    }
+
+    pub struct TypeId;
+
+    impl TypeId {
+        pub fn of<T: Bar + ?Sized>() -> TypeId {
+            panic!()
+        }
+    }
+}
diff --git a/tests/rustdoc/impl/auxiliary/rustdoc-impl-parts-crosscrate.rs b/tests/rustdoc/impl/auxiliary/rustdoc-impl-parts-crosscrate.rs
new file mode 100644
index 00000000000..135987fc00d
--- /dev/null
+++ b/tests/rustdoc/impl/auxiliary/rustdoc-impl-parts-crosscrate.rs
@@ -0,0 +1,3 @@
+#![feature(auto_traits)]
+
+pub auto trait AnAutoTrait {}