1/* { dg-do compile } */
2/* { dg-options "-O2" } */
3
4int
5bar (int x)
6{
7  asm goto ("" : : "r" (x), "r" (x + 1), "r" (x + 2), "r" (x + 3), /* { dg-error "operand has impossible constraints" } */
8	    "r" (x + 4), "r" (x + 5), "r" (x + 6), "r" (x + 7),
9	    "r" (x + 8), "r" (x + 9), "r" (x + 10), "r" (x + 11),
10	    "r" (x + 12), "r" (x + 13), "r" (x + 14), "r" (x + 15),
11	    "r" (x + 16) : : lab);
12  __builtin_unreachable ();
13 lab:
14  return 0;
15}
16