gcc/testsuite/gcc.target/powerpc/no-r11-3.c

/* { dg-do compile { target { powerpc*-*-* && lp64 } } } */
/* { dg-skip-if "" { *-*-darwin* } } */
/* { dg-skip-if "" { powerpc_elfv2 } } */
/* { dg-options "-O2 -mno-pointers-to-nested-functions" } */

extern void ext_call (int (func) (void));

int
outer_func (int init)	/* { dg-error "'-mno-pointers-to-nested-functions' option" } */
{
  int value = init;

  int inner (void)
  {
    return ++value;
  }

  ext_call (inner);
  return value;
}