Produce an error on encountering a pointer or reference to a qualified function type. Fixes PR7470.
llvm-svn: 108209
diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index 73de524..318ae49 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -2861,6 +2861,23 @@
return NewVD->setInvalidDecl();
}
+ // Function pointers and references cannot have qualified function type, only
+ // function pointer-to-members can do that.
+ QualType Pointee;
+ unsigned PtrOrRef = 0;
+ if (const PointerType *Ptr = T->getAs<PointerType>())
+ Pointee = Ptr->getPointeeType();
+ else if (const ReferenceType *Ref = T->getAs<ReferenceType>()) {
+ Pointee = Ref->getPointeeType();
+ PtrOrRef = 1;
+ }
+ if (!Pointee.isNull() && Pointee->isFunctionProtoType() &&
+ Pointee->getAs<FunctionProtoType>()->getTypeQuals() != 0) {
+ Diag(NewVD->getLocation(), diag::err_invalid_qualified_function_pointer)
+ << PtrOrRef;
+ return NewVD->setInvalidDecl();
+ }
+
if (!Previous.empty()) {
Redeclaration = true;
MergeVarDecl(NewVD, Previous);