1  /* { dg-do compile }  */
       2  /* { dg-final { scan-assembler "mov\tr0,r15" } } */
       3  /* { dg-final { scan-assembler ".long\t\[_\]*alt_stack" } } */
       4  
       5  void *alt_stack;
       6  void f() __attribute__ ((interrupt_handler, sp_switch ("alt_stack")));
       7  
       8  void f()
       9  {
      10  }