/* { dg-do run } */
/* { dg-options  "-flto -fipa-type-collector -fdump-ipa-type-collector -ftp-comparison-functions=EQ_STRUCTURAL -ftp-types-compared=astruct_s" } */

struct astruct_s {
	struct astruct_s* a;
};

int
main(int argc, char* argv)
{
  struct astruct_s a;
}

// This is proof that an incomplete type cannot be compared
// via structural equality.

//                                 0,64:astruct_s {0,64:astruct_s {}*;} x 0,0:astruct_s {} = f,
//                                   I am not an expert on regex
/* { dg-final { scan-wpa-ipa-dump "0,64:astruct_s .0,64:astruct_s ..... x 0,0:astruct_s .. = f," "type-collector" } } */