1 /* { dg-do compile } */
2 /* { dg-options "-O2" } */
3 
4 int
bar(int x)5 bar (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