Add test for "const stability on macro"

2021-02-11 10:37:31 -08:00
parent 19806e4514
commit 49310cee30
3 changed files with 38 additions and 2 deletions
--- a/compiler/rustc_expand/src/base.rs
+++ b/compiler/rustc_expand/src/base.rs
@@ -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();
        }