/* { dg-do link } */
/* { dg-options "-flto -fipa-type-escape-analysis -fdump-ipa-type-escape-analysis" } */
/* { dg-require-effective-target lto } */


#include <stddef.h>

struct astruct_s { _Bool a; _Bool b; _Bool c;};
struct astruct_s astruct; // This should not escape
struct bstruct_s { _Bool a; _Bool b; _Bool c;};
struct bstruct_s bstruct; // This should not escape

__attribute__((externally_visible)) void escaping(struct astruct_s cstruct) {}
void non_escaping(struct bstruct_s dstruct) {}

int main()
{
  astruct.a = 0;
  bstruct.b = 0;
}


/* { dg-final { scan-wpa-ipa-dump "collected,astruct_s" "hello-world" } } */
/* { dg-final { scan-wpa-ipa-dump "variable bstruct is escaping false" "hello-world" } } */
/* { dg-final { scan-wpa-ipa-dump "collected,bstruct_s" "hello-world" } } */
/* { dg-final { scan-wpa-ipa-dump "parameter type astruct_s is escaping true" "hello-world" } } */
/* { dg-final { scan-wpa-ipa-dump "parameter type bstruct_s is escaping false" "hello-world" } } */