1 files changed, 13 insertions, 0 deletions
diff --git a/lib/Parse/ParseExpr.cpp b/lib/Parse/ParseExpr.cpp
index 21a2e573c7..a1c3b05030 100644
--- a/lib/Parse/ParseExpr.cpp
+++ b/lib/Parse/ParseExpr.cpp
@@ -707,6 +707,10 @@ ExprResult Parser::ParseCastExpression(bool isUnaryExpression,
   case tok::kw_true:
   case tok::kw_false:
     return ParseCXXBoolLiteral();
+  
+  case tok::kw___objc_yes:
+  case tok::kw___objc_no:
+      return ParseObjCBoolLiteral();
 
   case tok::kw_nullptr:
     Diag(Tok, diag::warn_cxx98_compat_nullptr);
@@ -2403,3 +2407,12 @@ ExprResult Parser::ParseBlockLiteralExpression() {
     Actions.ActOnBlockError(CaretLoc, getCurScope());
   return move(Result);
 }
+
+/// ParseObjCBoolLiteral - This handles the objective-c Boolean literals.
+///
+///         '__objc_yes'
+///         '__objc_no'
+ExprResult Parser::ParseObjCBoolLiteral() {
+  tok::TokenKind Kind = Tok.getKind();
+  return Actions.ActOnObjCBoolLiteral(ConsumeToken(), Kind);
+}