[Bug target/80782] Feature request: use the llvm/clang assembler on Mac

[glisse at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80782

--- Comment #3 from Marc Glisse <glisse at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #1)
> The support is already there ...

So, what is the correct configure option to let gcc use it by default?