GCC 12.2.0 for macOS (x86_64 and aarch64)

I’ve marked both as pre-release, but I’m specially interested (if anyone has some time on their hands) in a check of the aarch64 version on
Monterey.

BSD-3-Clause License

Full GPL:

• GDB at tag gdb-12.1-release and without Python support

Tools w23.0.0. included from AdaCore on GitHub : GPL with the Runtime Library Exception:

• AUnit
• GNATCOLL sub-modules :
  • gnatcoll-core
    • ZLIB is included,
    • OMP and LZMA are not (the GNATCOLL version for LZMA requires thread support in the system library, not available on macOS).
  • gnatcoll-bindings
  • gnatcoll-db (only the SQLite backend)
• Gprbuild
• Langkit
• Libadalang
• Libadalang tools
• XMLAda