Fixed a parsing bug whereby @optional/@required keyword is not followed by 
a method declaration.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44870 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Parse/ParseObjc.cpp b/Parse/ParseObjc.cpp
index 88be2dc..05cbabd 100644
--- a/Parse/ParseObjc.cpp
+++ b/Parse/ParseObjc.cpp
@@ -264,6 +264,9 @@
       ExpectAndConsume(tok::semi, diag::err_expected_semi_after,"method proto");
       continue;
     }
+    else if (Tok.is(tok::at))
+      continue;
+    
     if (Tok.is(tok::semi))
       ConsumeToken();
     else if (Tok.is(tok::eof))