1  /* { dg-do compile } */
       2  /* { dg-require-effective-target ilp32 } */
       3  /* { dg-options "-ansi -pedantic" } */
       4  
       5  int foo ()
       6  {
       7    return 1;
       8  }
       9  
      10  register char *stack_ptr __asm ("%esp"); /* { dg-warning "file-scope declaration of 'stack_ptr' specifies 'register'" } */