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/* Test use of @optional/@required keywords in @protocol class. */
/* { dg-do compile } */
@protocol MyProto1
@optional
- (void) FOO;
@optional
- (void) FOO;
@required
- (void) REQ;
@optional
@end
@protocol MyProto2 <MyProto1>
- (void) FOO2;
@optional
- (void) FOO3;
@end
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