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/* Testing for detecting duplicate ivars. */
/* { dg-do compile } */
 
typedef struct S { int i; } NSDictionary;
 
@interface A 
{
    NSDictionary * _userInfo1; /* { dg-message "previous declaration" } */
    NSDictionary * _userInfo2; /* { dg-message "previous declaration" } */
    NSDictionary * _userInfo3; /* { dg-message "previous declaration" } */
    NSDictionary * _userInfo4; /* { dg-message "previous declaration" } */
}
@end
 
@interface B : A
{
    NSDictionary * _userInfo1;	/* { dg-error "duplicate instance variable" } */
    NSDictionary * _userInfo2;	/* { dg-error "duplicate instance variable" } */
}
@end
 
@interface C : A
@end
 
@interface D : C
{
    NSDictionary * _userInfo3;  /* { dg-error "duplicate instance variable" } */
    NSDictionary * _userInfo4;  /* { dg-error "duplicate instance variable" } */
}
@end