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/* { dg-do run } */
 
extern void abort (void) __attribute__((noreturn));
 
union setconflict
{
  short a[20];
  int b[10];
};
 
int
main ()
{
  int sum = 0;
  {
    union setconflict a;
    short *c;
    c = a.a;
    asm ("": "=r" (c):"0" (c));
    *c = 0;
    asm ("": "=r" (c):"0" (c));
    sum += *c;
  }
  {
    union setconflict a;
    int *c;
    c = a.b;
    asm ("": "=r" (c):"0" (c));
    *c = 1;
    asm ("": "=r" (c):"0" (c));
    sum += *c;
  }
 
  if (sum != 1)
    abort();
  return 0;
}