rev 14282 : Factor out keep-alive barrier from usual pre-barrier implementations.
*** 313,322 **** --- 313,326 ---- Register new_val, Register thread, Register tmp, Register tmp2); + void keep_alive_barrier(Register val, + Register thread, + Register tmp); + void shenandoah_write_barrier_post(Register store_addr, Register new_val, Register thread, Register tmp, Register tmp2);