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/* Test use of @optional/@required keywords in @protocol class. */

/* { 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