Copying result of object property reference expression
into a temporary is elidable as well.
(Finishes up radar 8291337).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114845 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/Expr.cpp b/lib/AST/Expr.cpp
index dbfe2d5..9536b9b 100644
--- a/lib/AST/Expr.cpp
+++ b/lib/AST/Expr.cpp
@@ -1661,7 +1661,12 @@
const Expr *E = skipTemporaryBindingsAndNoOpCasts(this);
// Temporaries are by definition pr-values of class type.
- if (!E->Classify(C).isPRValue()) return false;
+ if (!E->Classify(C).isPRValue()) {
+ // In this context, property reference is a message call and is pr-value.
+ if (!isa<ObjCPropertyRefExpr>(E) &&
+ !isa<ObjCImplicitSetterGetterRefExpr>(E))
+ return false;
+ }
// Black-list a few cases which yield pr-values of class type that don't
// refer to temporaries of that type: