/* There is a small window during call where the callee's
* frame isn't built yet. */
if (lowtag_of(*os_context_register_addr(context, reg_CODE))
== FUN_POINTER_LOWTAG) {
/* We have called, but not built the new frame, so
* build it for them. */
/* There is a small window during call where the callee's
* frame isn't built yet. */
if (lowtag_of(*os_context_register_addr(context, reg_CODE))
== FUN_POINTER_LOWTAG) {
/* We have called, but not built the new frame, so
* build it for them. */