1  /* PR tree-optimization/57104 */
       2  /* { dg-do compile { target { { i?86-*-linux* x86_64-*-linux* } && lp64 } } } */
       3  /* { dg-options "-fsanitize=thread" } */
       4  
       5  register int r asm ("r14");
       6  int v;
       7  
       8  int
       9  foo (void)
      10  {
      11    return r + v;
      12  }