Auto merge of #121240 - matthiaskrgr:rollup-lfb5i9w, r=matthiaskrgr

Rollup of 9 pull requests

Successful merges:

 - #120952 (Don't use mem::zeroed in vec::IntoIter)
 - #121085 (errors: only eagerly translate subdiagnostics)
 - #121091 (use build.rustc config and skip-stage0-validation flag)
 - #121149 (Fix typo in VecDeque::handle_capacity_increase() doc comment.)
 - #121193 (Use fulfillment in next trait solver coherence)
 - #121209 (Make `CodegenBackend::join_codegen` infallible.)
 - #121210 (Fix `cfg(target_abi = "sim")` on `i386-apple-ios`)
 - #121228 (create stamp file for clippy)
 - #121231 (remove a couple of redundant clones)

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

1 files changed, 11 insertions, 0 deletions

diff --git a/src/tools/rustfmt/src/parse/session.rs b/src/tools/rustfmt/src/parse/session.rs
index f0af401d3da..cff025cf2ab 100644
--- a/src/tools/rustfmt/src/parse/session.rs
+++ b/src/tools/rustfmt/src/parse/session.rs
@@ -1,3 +1,4 @@
+use std::borrow::Cow;
 use std::path::Path;
 use std::sync::atomic::{AtomicBool, Ordering};
 
@@ -40,6 +41,16 @@ impl Translate for SilentEmitter {
     fn fallback_fluent_bundle(&self) -> &rustc_errors::FluentBundle {
         panic!("silent emitter attempted to translate a diagnostic");
     }
+
+    // Override `translate_message` for the silent emitter because eager translation of
+    // subdiagnostics result in a call to this.
+    fn translate_message<'a>(
+        &'a self,
+        message: &'a rustc_errors::DiagnosticMessage,
+        _: &'a rustc_errors::translation::FluentArgs<'_>,
+    ) -> Result<Cow<'_, str>, rustc_errors::error::TranslateError<'_>> {
+        rustc_errors::emitter::silent_translate(message)
+    }
 }
 
 impl Emitter for SilentEmitter {