Auto merge of #109626 - matthiaskrgr:rollup-k0y7bdd, r=matthiaskrgr

Rollup of 6 pull requests

Successful merges:

 - #109007 (rustdoc: skip `// some variants omitted` if enum is `#[non_exhaustive]`)
 - #109593 (Rustdoc Book refer to rustdoc::missing_doc_code_examples. Fixes #109592.)
 - #109595 (Improve "Auto-hide trait implementation documentation" GUI test)
 - #109619 (Still-further-specializable projections are ambiguous in new solver)
 - #109620 (Correct typo (`back_box` -> `black_box`))
 - #109621 (Refactor: `VariantIdx::from_u32(0)` -> `FIRST_VARIANT`)

Failed merges:

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

2 files changed, 2 insertions, 2 deletions

diff --git a/src/doc/rustdoc/src/write-documentation/what-to-include.md b/src/doc/rustdoc/src/write-documentation/what-to-include.md
index e1e09aa4a8a..cf1e6a8d3ca 100644
--- a/src/doc/rustdoc/src/write-documentation/what-to-include.md
+++ b/src/doc/rustdoc/src/write-documentation/what-to-include.md
@@ -39,7 +39,7 @@ warning: 1 warning emitted
 As a library author, adding the lint `#![deny(missing_docs)]` is a great way to
 ensure the project does not drift away from being documented well, and
 `#![warn(missing_docs)]` is a good way to move towards comprehensive
-documentation.  In addition to docs, `#![deny(missing_doc_code_examples)]`
+documentation.  In addition to docs, `#![deny(rustdoc::missing_doc_code_examples)]`
 ensures each function contains a usage example.  In our example above, the
 warning is resolved by adding crate level documentation.
 
diff --git a/src/librustdoc/html/render/print_item.rs b/src/librustdoc/html/render/print_item.rs
index 579b5a9c723..674cd0d62d4 100644
--- a/src/librustdoc/html/render/print_item.rs
+++ b/src/librustdoc/html/render/print_item.rs
@@ -1234,7 +1234,7 @@ fn item_enum(w: &mut Buffer, cx: &mut Context<'_>, it: &clean::Item, e: &clean::
                 w.write_str(",\n");
             }
 
-            if variants_stripped {
+            if variants_stripped && !it.is_non_exhaustive() {
                 w.write_str("    // some variants omitted\n");
             }
             if toggle {