This fixes an issue with fastdebug builds on macos aarch64, which would fail with
hotspot/src/os_cpu/bsd_aarch64/vm/os_bsd_aarch64.cpp:408:7: error: 'pthread_jit_write_protect_np' is only available on macOS 11.0 or newer [-Werror,-Wunguarded-availability-new]
pthread_jit_write_protect_np(false);
This fixes an issue with fastdebug builds on macos aarch64, which would fail with