Auto merge of #109690 - matthiaskrgr:rollup-6p5m0es, r=matthiaskrgr

Rollup of 9 pull requests

Successful merges:

 - #108548 (Clarify the 'use a constant in a pattern' error message)
 - #109565 (Improve documentation for E0223)
 - #109661 (Fix LVI test post LLVM 16 update)
 - #109667 (Always set `RUSTC_BOOTSTRAP` with `x doc`)
 - #109669 (Update books)
 - #109678 (Don't shadow the `dep_node` var in `incremental_verify_ich_failed`)
 - #109682 (Add `#[inline]` to CStr trait implementations)
 - #109685 (Make doc comment a little bit more accurate)
 - #109687 (Document the heuristics IsTerminal uses on Windows)

Failed merges:

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

6 files changed, 7 insertions, 4 deletions

diff --git a/src/bootstrap/doc.rs b/src/bootstrap/doc.rs
index 36fdd4abf4f..be43affa404 100644
--- a/src/bootstrap/doc.rs
+++ b/src/bootstrap/doc.rs
@@ -1027,10 +1027,11 @@ impl Step for RustcBook {
         if self.validate {
             cmd.arg("--validate");
         }
-        if !builder.unstable_features() {
-            // We need to validate nightly features, even on the stable channel.
-            cmd.env("RUSTC_BOOTSTRAP", "1");
-        }
+        // We need to validate nightly features, even on the stable channel.
+        // Set this unconditionally as the stage0 compiler may be being used to
+        // document.
+        cmd.env("RUSTC_BOOTSTRAP", "1");
+
         // If the lib directories are in an unusual location (changed in
         // config.toml), then this needs to explicitly update the dylib search
         // path.
diff --git a/src/doc/nomicon b/src/doc/nomicon
-Subproject 1f3e4cd4fd88b5b5d45feb86a11b6d2f93e5a97
+Subproject b5f7500fc40775096c2bbd204eae096612cf904
diff --git a/src/doc/reference b/src/doc/reference
-Subproject 24c87f6663aed55b05d2cc286878f28f2191882
+Subproject 3c47807a3131b3c7cacb508f52632078d253cd0
diff --git a/src/doc/rust-by-example b/src/doc/rust-by-example
-Subproject af0998b7473839ca75563ba3d3e7fd0160bef23
+Subproject cfbfd648ce33926c3490f24de9a5b56cce404b8
diff --git a/src/doc/rustc-dev-guide b/src/doc/rustc-dev-guide
-Subproject b1b6d693cd1461e53de4132c1b183ace31cd36e
+Subproject d08baa166b463537229eeb737c4ccadabd83cf7
diff --git a/src/tools/clippy/tests/ui/crashes/ice-6254.stderr b/src/tools/clippy/tests/ui/crashes/ice-6254.stderr
index 22d82a30c6a..263c27d3d64 100644
--- a/src/tools/clippy/tests/ui/crashes/ice-6254.stderr
+++ b/src/tools/clippy/tests/ui/crashes/ice-6254.stderr
@@ -6,6 +6,8 @@ LL |         FOO_REF_REF => {},
    |
    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
    = note: for more information, see issue #62411 <https://github.com/rust-lang/rust/issues/62411>
+   = note: the traits must be derived, manual `impl`s are not sufficient
+   = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
    = note: `-D indirect-structural-match` implied by `-D warnings`
 
 error: aborting due to previous error