Auto merge of #83664 - Dylan-DPC:rollup-wx6idpd, r=Dylan-DPC

Rollup of 7 pull requests

Successful merges:

 - #82331 (alloc: Added `as_slice` method to `BinaryHeap` collection)
 - #83130 (escape_ascii take 2)
 - #83374 (unix: Fix feature(unix_socket_ancillary_data) on macos and other BSDs)
 - #83543 (Lint on unknown intra-doc link disambiguators)
 - #83636 (Add a regression test for issue-82792)
 - #83643 (Remove a FIXME resolved by #73578)
 - #83644 (:arrow_up: rust-analyzer)

Failed merges:

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

2 files changed, 58 insertions, 0 deletions

diff --git a/src/test/rustdoc-ui/intra-doc/unknown-disambiguator.rs b/src/test/rustdoc-ui/intra-doc/unknown-disambiguator.rs
new file mode 100644
index 00000000000..925fc515a3e
--- /dev/null
+++ b/src/test/rustdoc-ui/intra-doc/unknown-disambiguator.rs
@@ -0,0 +1,13 @@
+#![deny(warnings)]
+
+//! Linking to [foo@banana] and [`bar@banana!()`].
+//~^ ERROR unknown disambiguator `foo`
+//~| ERROR unknown disambiguator `bar`
+//! And to [no disambiguator](@nectarine) and [another](@apricot!()).
+//~^ ERROR unknown disambiguator ``
+//~| ERROR unknown disambiguator ``
+//! And with weird backticks: [``foo@hello``] [foo`@`hello].
+//~^ ERROR unknown disambiguator `foo`
+//~| ERROR unknown disambiguator `foo`
+
+fn main() {}
diff --git a/src/test/rustdoc-ui/intra-doc/unknown-disambiguator.stderr b/src/test/rustdoc-ui/intra-doc/unknown-disambiguator.stderr
new file mode 100644
index 00000000000..195aaca32a2
--- /dev/null
+++ b/src/test/rustdoc-ui/intra-doc/unknown-disambiguator.stderr
@@ -0,0 +1,45 @@
+error: unknown disambiguator `foo`
+  --> $DIR/unknown-disambiguator.rs:3:17
+   |
+LL | //! Linking to [foo@banana] and [`bar@banana!()`].
+   |                 ^^^
+   |
+note: the lint level is defined here
+  --> $DIR/unknown-disambiguator.rs:1:9
+   |
+LL | #![deny(warnings)]
+   |         ^^^^^^^^
+   = note: `#[deny(rustdoc::broken_intra_doc_links)]` implied by `#[deny(warnings)]`
+
+error: unknown disambiguator `bar`
+  --> $DIR/unknown-disambiguator.rs:3:35
+   |
+LL | //! Linking to [foo@banana] and [`bar@banana!()`].
+   |                                   ^^^
+
+error: unknown disambiguator `foo`
+  --> $DIR/unknown-disambiguator.rs:9:34
+   |
+LL | //! And with weird backticks: [``foo@hello``] [foo`@`hello].
+   |                                  ^^^
+
+error: unknown disambiguator `foo`
+  --> $DIR/unknown-disambiguator.rs:9:48
+   |
+LL | //! And with weird backticks: [``foo@hello``] [foo`@`hello].
+   |                                                ^^^
+
+error: unknown disambiguator ``
+  --> $DIR/unknown-disambiguator.rs:6:31
+   |
+LL | //! And to [no disambiguator](@nectarine) and [another](@apricot!()).
+   |                               ^
+
+error: unknown disambiguator ``
+  --> $DIR/unknown-disambiguator.rs:6:57
+   |
+LL | //! And to [no disambiguator](@nectarine) and [another](@apricot!()).
+   |                                                         ^
+
+error: aborting due to 6 previous errors
+