It's not allowed to form member pointers to members that have reference type. Add a test for this and the rest of [dcl.mptr]p3.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@75054 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index 8ede57c..df7e5af 100644
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -4687,15 +4687,23 @@
} else if (isa<OverloadedFunctionDecl>(dcl) ||
isa<FunctionTemplateDecl>(dcl)) {
return Context.OverloadTy;
- } else if (isa<FieldDecl>(dcl)) {
+ } else if (FieldDecl *FD = dyn_cast<FieldDecl>(dcl)) {
// Okay: we can take the address of a field.
// Could be a pointer to member, though, if there is an explicit
// scope qualifier for the class.
if (isa<QualifiedDeclRefExpr>(op)) {
DeclContext *Ctx = dcl->getDeclContext();
- if (Ctx && Ctx->isRecord())
+ if (Ctx && Ctx->isRecord()) {
+ if (FD->getType()->isReferenceType()) {
+ Diag(OpLoc,
+ diag::err_cannot_form_pointer_to_member_of_reference_type)
+ << FD->getDeclName() << FD->getType();
+ return QualType();
+ }
+
return Context.getMemberPointerType(op->getType(),
Context.getTypeDeclType(cast<RecordDecl>(Ctx)).getTypePtr());
+ }
}
} else if (CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(dcl)) {
// Okay: we can take the address of a function.