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/test/Parser/enhanced-proto-1.m b/test/Parser/enhanced-proto-1.m
new file mode 100644
index 0000000..354502e
--- /dev/null
+++ b/test/Parser/enhanced-proto-1.m
@@ -0,0 +1,17 @@
+// RUN: clang -fsyntax-only -verify %s
+
+@protocol MyProto1 
+@optional
+- (void) FOO;
+@optional
+- (void) FOO;
+@required 
+- (void) REQ;
+@optional
+@end
+
+@protocol  MyProto2 <MyProto1>
+- (void) FOO2;
+@optional
+- (void) FOO3;
+@end