Auto merge of #129008 - GuillaumeGomez:rollup-6citttb, r=GuillaumeGomez

Rollup of 10 pull requests

Successful merges:

 - #128149 (nontemporal_store: make sure that the intrinsic is truly just a hint)
 - #128394 (Unify run button display with "copy code" button and with mdbook buttons)
 - #128537 (const vector passed through to codegen)
 - #128632 (std: do not overwrite style in `get_backtrace_style`)
 - #128878 (Slightly refactor `Flags` in bootstrap)
 - #128886 (Get rid of some `#[allow(rustc::untranslatable_diagnostic)]`)
 - #128929 (Fix codegen-units tests that were disabled 8 years ago)
 - #128937 (Fix warnings in rmake tests on `x86_64-unknown-linux-gnu`)
 - #128978 (Use `assert_matches` around the compiler more)
 - #128994 (Fix bug in `Parser::look_ahead`.)

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

1 files changed, 3 insertions, 1 deletions

diff --git a/compiler/rustc_errors/src/lib.rs b/compiler/rustc_errors/src/lib.rs
index aefbf05a1fc..3bc03a1e516 100644
--- a/compiler/rustc_errors/src/lib.rs
+++ b/compiler/rustc_errors/src/lib.rs
@@ -10,6 +10,7 @@
 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
 #![doc(rust_logo)]
 #![feature(array_windows)]
+#![feature(assert_matches)]
 #![feature(associated_type_defaults)]
 #![feature(box_into_inner)]
 #![feature(box_patterns)]
@@ -28,6 +29,7 @@
 
 extern crate self as rustc_errors;
 
+use std::assert_matches::assert_matches;
 use std::backtrace::{Backtrace, BacktraceStatus};
 use std::borrow::Cow;
 use std::cell::Cell;
@@ -1490,7 +1492,7 @@ impl DiagCtxtInner {
             // Future breakages aren't emitted if they're `Level::Allow` or
             // `Level::Expect`, but they still need to be constructed and
             // stashed below, so they'll trigger the must_produce_diag check.
-            assert!(matches!(diagnostic.level, Error | Warning | Allow | Expect(_)));
+            assert_matches!(diagnostic.level, Error | Warning | Allow | Expect(_));
             self.future_breakage_diagnostics.push(diagnostic.clone());
         }