[Bug jit/87291] Add support for inline asm to libgccjit

[dmalcolm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87291

--- Comment #28 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
Generated HTML for docs (albeit without css) here:
https://dmalcolm.fedorapeople.org/gcc/2020-06-06/asm-v3.html