Move handling of postfix-expression suffixes out of ParseCXXThis and into ParseCastExpression.
No functionality change, this follows the convention of how postfix-expressions are handled.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@54849 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Parse/ParseExprCXX.cpp b/lib/Parse/ParseExprCXX.cpp
index 93eaa2d..45f4827 100644
--- a/lib/Parse/ParseExprCXX.cpp
+++ b/lib/Parse/ParseExprCXX.cpp
@@ -112,10 +112,5 @@
 Parser::ExprResult Parser::ParseCXXThis() {
   assert(Tok.is(tok::kw_this) && "Not 'this'!");
   SourceLocation ThisLoc = ConsumeToken();
-
-  ExprResult Res = Actions.ActOnCXXThis(ThisLoc);
-  if (Res.isInvalid)
-    return Res;
-
-  return ParsePostfixExpressionSuffix(Res);
+  return Actions.ActOnCXXThis(ThisLoc);
 }