diff options
Diffstat (limited to 'compiler/rustc_errors/src')
| -rw-r--r-- | compiler/rustc_errors/src/diagnostic.rs | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/compiler/rustc_errors/src/diagnostic.rs b/compiler/rustc_errors/src/diagnostic.rs index ef4a45cab41..ce5b130dd97 100644 --- a/compiler/rustc_errors/src/diagnostic.rs +++ b/compiler/rustc_errors/src/diagnostic.rs @@ -295,6 +295,7 @@ impl Diagnostic { suggestion: Vec<(Span, String)>, applicability: Applicability, ) -> &mut Self { + assert!(!suggestion.is_empty()); self.suggestions.push(CodeSuggestion { substitutions: vec![Substitution { parts: suggestion @@ -318,6 +319,10 @@ impl Diagnostic { suggestions: Vec<Vec<(Span, String)>>, applicability: Applicability, ) -> &mut Self { + assert!(!suggestions.is_empty()); + for s in &suggestions { + assert!(!s.is_empty()); + } self.suggestions.push(CodeSuggestion { substitutions: suggestions .into_iter() @@ -348,6 +353,7 @@ impl Diagnostic { suggestion: Vec<(Span, String)>, applicability: Applicability, ) -> &mut Self { + assert!(!suggestion.is_empty()); self.suggestions.push(CodeSuggestion { substitutions: vec![Substitution { parts: suggestion |