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/* { dg-do compile } */
@protocol MyProto1
@optional
- (void) FOO;
@optional
- (void) FOO;
@optional
- (void) REQ;
@optional
@end
@interface MyProto2 <MyProto1>
@required /* { dg-error ".@required. is allowed in @protocol context only" } */
- (void) FOO2;
@optional /* { dg-error ".@optional. is allowed in @protocol context only" } */
- (void) FOO3;
@end
@implementation MyProto2
- (void) FOO2{}
- (void) FOO3{}
@end
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