rb_gc_mark_locations 7454 eval.c         	rb_gc_mark_locations(th->stk_ptr, th->stk_ptr+th->stk_len);
rb_gc_mark_locations 7456 eval.c         	rb_gc_mark_locations(th->stk_ptr+2, th->stk_ptr+th->stk_len+2);
rb_gc_mark_locations 1152 gc.c               rb_gc_mark_locations(rb_gc_stack_start, (VALUE*)STACK_END);
rb_gc_mark_locations 1154 gc.c               rb_gc_mark_locations((VALUE*)((char*)rb_gc_stack_start + 2),