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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [transparent-union-5.c] - Rev 154

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/* PR 24255 */
/* { dg-do run } */
/* { dg-options "-O" } */
 
extern void abort (void);
 
union wait { int w_status; };
 
typedef union
{
  union wait *uptr;
  int *iptr;
} WAIT_STATUS __attribute__ ((__transparent_union__));
 
int status;
union wait wstatus;
 
void __attribute__((noinline))
test1 (WAIT_STATUS s)
{
  if (s.iptr != &status)
    abort ();
}
 
void __attribute__((noinline))
test2 (WAIT_STATUS s)
{
  if (s.uptr != &wstatus)
    abort ();
}
 
int main()
{
  test1 (&status);
  test2 (&wstatus);
  return 0;
}
 

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