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/* { dg-do link } */

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

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

#include <stdio.h>

#include "simulate-thread.h"

/* This test verifies writes to globals do not write to adjacent

   globals.  This mostly happens on strict-align targets that are not

   byte addressable (old Alphas, etc).  */

char a = 0;

char b = 77;

void simulate_thread_other_threads()

{

}

int simulate_thread_step_verify()

{

  if (b != 77)

    {

      printf("FAIL: Unexpected value.  <b> is %d, should be 77\n", b);

      return 1;

    }

  return 0;

}

/* Verify that every variable has the correct value.  */

int simulate_thread_final_verify()

{

  int ret = simulate_thread_step_verify ();

  if (a != 66)

    {

      printf("FAIL: Unexpected value.  <a> is %d, should be 66\n", a);

      return 1;

    }

  return ret;

}

__attribute__((noinline))

void simulate_thread_main()

{

  a = 66;

}

int main ()

{

  simulate_thread_main();

  simulate_thread_done();

  return 0;

}