SPECPDL_UNWIND_VOID 3596 src/eval.c       specpdl_ptr->unwind_void.kind = SPECPDL_UNWIND_VOID;
SPECPDL_UNWIND_VOID 3634 src/eval.c         case SPECPDL_UNWIND_VOID:
SPECPDL_UNWIND_VOID 3710 src/eval.c       p->unwind_void.kind = SPECPDL_UNWIND_VOID;
SPECPDL_UNWIND_VOID 4176 src/eval.c             case SPECPDL_UNWIND_VOID: