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/* { dg-do link } */

/* { dg-options "--param allow-store-data-races=0" } */

/* { dg-final { simulate-thread } } */

#include <stdio.h>

#include "../../gcc.dg/simulate-thread/simulate-thread.h"

/* Store into <c> should not clobber <d>.  */

struct bits

{

  char a;

  int b:7;

  int c:9;

  unsigned char d;

} var;

static int global = 0;

void simulate_thread_other_threads()

{

  global++;

  var.d = global;

}

int simulate_thread_step_verify()

{

  if (var.d != global)

    {

      printf("FAIL: invalid intermediate result\n");

      return 1;

    }

  return 0;

}

int simulate_thread_final_verify()

{

  if (var.c != 5)

    {

      printf("FAIL: invalid final result\n");

      return 1;

    }

  return 0;

}

__attribute__((noinline))

void update_c(struct bits *p, int val)

{

    p -> c = val;

}

__attribute__((noinline))

void simulate_thread_main()

{

  update_c(&var, 5);

}

int main()

{

  simulate_thread_main();

  simulate_thread_done();

  return 0;

}