use stable sort to sort multipart diagnostics

rust-lang · Aug 8, 2024 · d1dc694 · d1dc694
1 parent 9337f7a
commit d1dc694
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/compiler/rustc_errors/src/diagnostic.rs b/compiler/rustc_errors/src/diagnostic.rs
@@ -920,7 +920,7 @@ impl<'a, G: EmissionGuarantee> Diag<'a, G> {
         applicability: Applicability,
         style: SuggestionStyle,
     ) -> &mut Self {
-        suggestion.sort_unstable();
+        suggestion.sort_by_key(|(span, _)| *span);
         suggestion.dedup_by(|(s1, m1), (s2, m2)| s1.source_equal(*s2) && m1 == m2);
 
         let parts = suggestion