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Improve error message for E0659 if the source is not available

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Fabian Wolff 2021-11-27 18:42:49 +01:00
parent 5fd3a5c7c1
commit 6dfed31c43
1 changed files with 1 additions and 1 deletions
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compiler/rustc_resolve/src/diagnostics.rs
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@ -1178,7 +1178,7 @@ impl<'a> Resolver<'a> {
fn binding_description(&self, b: &NameBinding<'_>, ident: Ident, from_prelude: bool) -> String { fn binding_description(&self, b: &NameBinding<'_>, ident: Ident, from_prelude: bool) -> String {
let res = b.res(); let res = b.res();
if b.span.is_dummy() { if b.span.is_dummy() || self.session.source_map().span_to_snippet(b.span).is_err() {
// These already contain the "built-in" prefix or look bad with it. // These already contain the "built-in" prefix or look bad with it.
let add_built_in = let add_built_in =
!matches!(b.res(), Res::NonMacroAttr(..) | Res::PrimTy(..) | Res::ToolMod); !matches!(b.res(), Res::NonMacroAttr(..) | Res::PrimTy(..) | Res::ToolMod);