Amusingly, I missed this point of abstraction in all my earlier
member-pointer refactoring:  dereferencing a member data pointer.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@112640 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGCXX.cpp b/lib/CodeGen/CGCXX.cpp
index fbea420..f8d81fa 100644
--- a/lib/CodeGen/CGCXX.cpp
+++ b/lib/CodeGen/CGCXX.cpp
@@ -359,6 +359,15 @@
   return llvm::Constant::getNullValue(FTy->getPointerTo());
 }
 
+llvm::Value *CGCXXABI::EmitMemberDataPointerAddress(CodeGenFunction &CGF,
+                                                    llvm::Value *Base,
+                                                    llvm::Value *MemPtr,
+                                              const MemberPointerType *MPT) {
+  ErrorUnsupportedABI(CGF, "loads of member pointers");
+  const llvm::Type *Ty = CGF.ConvertType(MPT->getPointeeType())->getPointerTo();
+  return llvm::Constant::getNullValue(Ty);
+}
+
 llvm::Value *CGCXXABI::EmitMemberPointerConversion(CodeGenFunction &CGF,
                                                    const CastExpr *E,
                                                    llvm::Value *Src) {