use stable sort to sort multipart diagnostics

2024-08-08 23:55:59 +02:00
parent 9337f7afa6
commit 38874a6927
2 changed files with 3 additions and 3 deletions
--- a/compiler/rustc_errors/src/diagnostic.rs
+++ b/compiler/rustc_errors/src/diagnostic.rs
@@ -920,8 +920,8 @@ impl<'a, G: EmissionGuarantee> Diag<'a, G> {
        applicability: Applicability,
        style: SuggestionStyle,
    ) -> &mut Self {
-        suggestion.sort_unstable();
-        suggestion.dedup_by(|(s1, m1), (s2, m2)| s1.source_equal(*s2) && m1 == m2);
+        let mut seen = crate::FxHashSet::default();
+        suggestion.retain(|(span, msg)| seen.insert((span.lo(), span.hi(), msg.clone())));

        let parts = suggestion
            .into_iter()