Convert some more expression parsers to use smart pointers.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60904 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Parse/ParseExprCXX.cpp b/lib/Parse/ParseExprCXX.cpp
index 6c13e5c..6539341 100644
--- a/lib/Parse/ParseExprCXX.cpp
+++ b/lib/Parse/ParseExprCXX.cpp
@@ -221,7 +221,7 @@
   if (Tok.isNot(tok::l_paren))
     return Diag(Tok, diag::err_expected_lparen_after) << CastName;
 
-  OwningExprResult Result(Actions, ParseSimpleParenExpression(RParenLoc));
+  OwningExprResult Result(ParseSimpleParenExpression(RParenLoc));
 
   if (!Result.isInvalid())
     Result = Actions.ActOnCXXNamedCast(OpLoc, Kind,