1  /* { dg-do link } */
       2  /* { dg-require-effective-target lto } */
       3  /* { dg-options "-O2 -flto" } */
       4  #ifdef __x86_64__
       5  register volatile int a __asm__("%rsp");
       6  #else
       7  register volatile int a __asm__("%esp");
       8  #endif
       9  __attribute__ ((used))
      10  int t () { a = 0; }
      11  int main () { a = 0; }