1  /* PR target/89775 */
       2  /* { dg-do run } */
       3  /* { dg-options "-O0 -fomit-frame-pointer" } */
       4  /* { dg-additional-sources "pr89775-2.c" } */
       5  
       6  register void *sp __asm ("15");
       7  
       8  __attribute__((noipa)) int
       9  foo (const char *a, const char *b)
      10  {
      11    while (1)
      12      {
      13        char c = *a++;
      14        if (c != *b++) return 0;
      15        if (c == '\0') return 1;
      16      }
      17  }