diff options
Diffstat (limited to 'clang/lib/Sema/Sema.cpp')
-rw-r--r-- | clang/lib/Sema/Sema.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/clang/lib/Sema/Sema.cpp b/clang/lib/Sema/Sema.cpp index cc509566bdd..300e2f040a2 100644 --- a/clang/lib/Sema/Sema.cpp +++ b/clang/lib/Sema/Sema.cpp @@ -727,8 +727,15 @@ void Sema::ActOnEndOfTranslationUnit() { if (WeakID.second.getUsed()) continue; - Diag(WeakID.second.getLocation(), diag::warn_weak_identifier_undeclared) - << WeakID.first; + Decl *PrevDecl = LookupSingleName(TUScope, WeakID.first, SourceLocation(), + LookupOrdinaryName); + if (PrevDecl != nullptr && + !(isa<FunctionDecl>(PrevDecl) || isa<VarDecl>(PrevDecl))) + Diag(WeakID.second.getLocation(), diag::warn_attribute_wrong_decl_type) + << "'weak'" << ExpectedVariableOrFunction; + else + Diag(WeakID.second.getLocation(), diag::warn_weak_identifier_undeclared) + << WeakID.first; } if (LangOpts.CPlusPlus11 && |