1  /* { dg-do compile { target int128 } } */
       2  /* { dg-options "-O2" } */
       3  
       4  __int128 fool(unsigned long x) { return -(__int128)x; }
       5  
       6  /* { dg-final { scan-assembler "sbb" } } */
       7  /* { dg-final { scan-assembler-not "adc" } } */