Complain when an unnamed enumeration has no enumerations (in
C++). Fixes PR7466.
llvm-svn: 108231
diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index 318ae49..7d90792 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -1539,6 +1539,14 @@
return DeclPtrTy::make(Tag);
}
+ if (getLangOptions().CPlusPlus &&
+ DS.getStorageClassSpec() != DeclSpec::SCS_typedef)
+ if (EnumDecl *Enum = dyn_cast_or_null<EnumDecl>(Tag))
+ if (Enum->enumerator_begin() == Enum->enumerator_end() &&
+ !Enum->getIdentifier() && !Enum->isInvalidDecl())
+ Diag(Enum->getLocation(), diag::ext_no_declarators)
+ << DS.getSourceRange();
+
if (!DS.isMissingDeclaratorOk() &&
DS.getTypeSpecType() != DeclSpec::TST_error) {
// Warn about typedefs of enums without names, since this is an