diff options
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/rustc_errors/src/diagnostic.rs | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/compiler/rustc_errors/src/diagnostic.rs b/compiler/rustc_errors/src/diagnostic.rs index 0aaa8ae69e1..d222010901f 100644 --- a/compiler/rustc_errors/src/diagnostic.rs +++ b/compiler/rustc_errors/src/diagnostic.rs @@ -622,17 +622,18 @@ impl Diagnostic { pub fn multipart_suggestion_with_style( &mut self, msg: impl Into<SubdiagnosticMessage>, - suggestion: Vec<(Span, String)>, + mut suggestion: Vec<(Span, String)>, applicability: Applicability, style: SuggestionStyle, ) -> &mut Self { - let mut parts = suggestion + suggestion.sort_unstable(); + suggestion.dedup(); + + let parts = suggestion .into_iter() .map(|(span, snippet)| SubstitutionPart { snippet, span }) .collect::<Vec<_>>(); - parts.sort_unstable_by_key(|part| part.span); - assert!(!parts.is_empty()); debug_assert_eq!( parts.iter().find(|part| part.span.is_empty() && part.snippet.is_empty()), |