1 files changed, 3 insertions, 1 deletions
diff --git a/lib/Sema/SemaExprCXX.cpp b/lib/Sema/SemaExprCXX.cpp
index 15c21008be..48daf84d6b 100644
--- a/lib/Sema/SemaExprCXX.cpp
+++ b/lib/Sema/SemaExprCXX.cpp
@@ -441,8 +441,10 @@ bool Sema::CheckCXXThrowOperand(SourceLocation ThrowLoc, Expr *&E) {
 
   // Initialize the exception result.  This implicitly weeds out
   // abstract types or types with inaccessible copy constructors.
+  // FIXME: Determine whether we can elide this copy per C++0x [class.copy]p34.
   InitializedEntity Entity =
-    InitializedEntity::InitializeException(ThrowLoc, E->getType());
+    InitializedEntity::InitializeException(ThrowLoc, E->getType(),
+                                           /*NRVO=*/false);
   OwningExprResult Res = PerformCopyInitialization(Entity,
                                                    SourceLocation(),
                                                    Owned(E));