diff options
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/rustc_resolve/src/late/diagnostics.rs | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/compiler/rustc_resolve/src/late/diagnostics.rs b/compiler/rustc_resolve/src/late/diagnostics.rs index 1b8f2fc005c..bb4294fbcfb 100644 --- a/compiler/rustc_resolve/src/late/diagnostics.rs +++ b/compiler/rustc_resolve/src/late/diagnostics.rs @@ -1592,18 +1592,23 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { match (res, source) { ( - Res::Def(DefKind::Macro(MacroKind::Bang), _), + Res::Def(DefKind::Macro(MacroKind::Bang), def_id), PathSource::Expr(Some(Expr { kind: ExprKind::Index(..) | ExprKind::Call(..), .. })) | PathSource::Struct, ) => { + // Don't suggest macro if it's unstable. + let suggestable = def_id.is_local() + || self.r.tcx.lookup_stability(def_id).map_or(true, |s| s.is_stable()); + err.span_label(span, fallback_label.to_string()); // Don't suggest `!` for a macro invocation if there are generic args if path .last() .is_some_and(|segment| !segment.has_generic_args && !segment.has_lifetime_args) + && suggestable { err.span_suggestion_verbose( span.shrink_to_hi(), |