https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123702
--- Comment #6 from Antoni <antoyo at gcc dot gnu.org> --- I believe the characters accepted by the assembler vary from platform to platform. Here's a message from the mailing list that talks about some characters not supported by some assemblers: https://gcc.gnu.org/pipermail/jit/2024q1/001839.html
