[Bug jit/66546] No way to disable check for unreachable blocks

[dmalcolm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66546

--- Comment #2 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
(In reply to David Malcolm from comment #0)
> Currently libgccjit always issues a hard error about unconditional blocks.
"unreachable", that should say