Objective-C++ Code gen. Handle code gen. for property

reference dot-syntax notation in a varierty of cases.
Fixes radar 7964490.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@103440 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 10 insertions, 1 deletions

diff --git a/lib/CodeGen/CGExprCXX.cpp b/lib/CodeGen/CGExprCXX.cpp
index 5714a3e4f1..2b0938ab84 100644
--- a/lib/CodeGen/CGExprCXX.cpp
+++ b/lib/CodeGen/CGExprCXX.cpp
@@ -261,7 +261,16 @@ CodeGenFunction::EmitCXXOperatorMemberCallExpr(const CXXOperatorCallExpr *E,
     if (ClassDecl->hasTrivialCopyAssignment()) {
       assert(!ClassDecl->hasUserDeclaredCopyAssignment() &&
              "EmitCXXOperatorMemberCallExpr - user declared copy assignment");
-      llvm::Value *This = EmitLValue(E->getArg(0)).getAddress();
+      LValue LV = EmitLValue(E->getArg(0));
+      llvm::Value *This;
+      if (LV.isPropertyRef()) {
+        RValue RV = EmitLoadOfPropertyRefLValue(LV, E->getArg(0)->getType());
+        assert (!RV.isScalar() && "EmitCXXOperatorMemberCallExpr");
+        This = RV.getAggregateAddr();
+      }
+      else
+        This = LV.getAddress();
+      
       llvm::Value *Src = EmitLValue(E->getArg(1)).getAddress();
       QualType Ty = E->getType();
       EmitAggregateCopy(This, Src, Ty);