1  /* PR middle-end/97971 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O2" } */
       4  
       5  int
       6  foo (void)
       7  {
       8    register _Complex long a asm ("rax");
       9    register int b asm ("rdx");
      10    asm ("# %0 %1" : "=&r" (a), "=r" (b));	/* { dg-error "inconsistent operand constraints in an 'asm'" } */
      11    return a;
      12  }