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Add test for "const stability on macro"

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This commit is contained in:
Esteban Küber 2021-02-11 10:37:31 -08:00
parent 19806e4514
commit 49310cee30
3 changed files with 38 additions and 2 deletions
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7
compiler/rustc_expand/src/base.rs
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@ -774,8 +774,11 @@ impl SyntaxExtension {
sess.parse_sess
.span_diagnostic
.struct_span_err(sp, "macros cannot have const stability attributes")
.span_label(sp, "invalid stability attribute")
.span_label(span, "in this macro")
.span_label(sp, "invalid const stability attribute")
.span_label(
sess.source_map().guess_head_span(span),
"const stability attribute affects this macro",
)
.emit();
}