Handle temporaries in default arguments.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73462 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaTemplateInstantiateExpr.cpp b/lib/Sema/SemaTemplateInstantiateExpr.cpp
index 3c67f2a..bf19701 100644
--- a/lib/Sema/SemaTemplateInstantiateExpr.cpp
+++ b/lib/Sema/SemaTemplateInstantiateExpr.cpp
@@ -1165,7 +1165,10 @@
   if (SubExpr.isInvalid())
     return SemaRef.ExprError();
 
-  return SemaRef.ActOnFinishFullExpr(move(SubExpr));
+  Expr *Temp = 
+    SemaRef.MaybeCreateCXXExprWithTemporaries(SubExpr.takeAs<Expr>(),
+                                              E->shouldDestroyTemporaries());
+  return SemaRef.Owned(Temp);
 }
 
 Sema::OwningExprResult