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Rollup merge of #122737 - ytmimi:conditionally_ignore_fatal_diagnostic, r=davidtwco

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conditionally ignore fatal diagnostic in the SilentEmitter

This change is primarily meant to allow rustfmt to ignore all diagnostics when using the `SilentEmitter`. Back in #121301 the `SilentEmitter` was shared between rustc and rustfmt. This changed rustfmt's behavior from ignoring all diagnostic to emitting fatal diagnostics, which lead to https://github.com/rust-lang/rustfmt/issues/6109.

These changes allow rustfmt to maintain its previous behaviour when using the `SilentEmitter`, while allowing rustc code to still emit fatal diagnostics.
This commit is contained in:
Matthias Krüger 2024-03-24 17:08:15 +01:00 • committed by GitHub
commit 3fe9f66133
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5 changed files with 19 additions and 4 deletions
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3
compiler/rustc_errors/src/emitter.rs
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@ -541,6 +541,7 @@ pub struct SilentEmitter {
pub fallback_bundle: LazyFallbackBundle,
pub fatal_dcx: DiagCtxt,
pub fatal_note: Option<String>,
pub emit_fatal_diagnostic: bool,
}
impl Translate for SilentEmitter {
@ -561,7 +562,7 @@ impl Emitter for SilentEmitter {
}
fn emit_diagnostic(&mut self, mut diag: DiagInner) {
if diag.level == Level::Fatal {
if self.emit_fatal_diagnostic && diag.level == Level::Fatal {
if let Some(fatal_note) = &self.fatal_note {
diag.sub(Level::Note, fatal_note.clone(), MultiSpan::new());
}