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Report duplicate definitions in trait impls during resolution.

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This commit is contained in:
Camille GILLOT 2022-08-10 21:31:26 +02:00
parent 8796e7a9cf
commit 152cd63226
11 changed files with 142 additions and 30 deletions
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13
compiler/rustc_resolve/src/diagnostics.rs
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@ -1047,6 +1047,19 @@ impl<'a> Resolver<'a> {
err.span_label(trait_item_span, "item in trait");
err
}
ResolutionError::TraitImplDuplicate { name, trait_item_span, old_span } => {
let mut err = struct_span_err!(
self.session,
span,
E0201,
"duplicate definitions with name `{}`:",
name,
);
err.span_label(old_span, "previous definition here");
err.span_label(trait_item_span, "item in trait");
err.span_label(span, "duplicate definition");
err
}
ResolutionError::InvalidAsmSym => {
let mut err = self.session.struct_span_err(span, "invalid `sym` operand");
err.span_label(span, "is a local variable");