objc++: Accessing explicit property of reference type need

not bind to a temporary. Fixes //rdar://10188258


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141009 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 7 insertions, 1 deletions

diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index 1675568a56..707d577f61 100644
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -7388,7 +7388,13 @@ ExprResult Sema::ConvertPropertyForRValue(Expr *E) {
             << PRE->getBase()->getType();
     }
   }
-  
+  else {
+    // lvalue-ness of an explicit property is determined by
+    // property type.
+    ObjCPropertyDecl *PDecl = PRE->getExplicitProperty();
+    VK = Expr::getValueKindForType(PDecl->getType());
+  }
+    
   E = ImplicitCastExpr::Create(Context, T, CK_GetObjCProperty,
                                E, 0, VK);