[Bug jit/64089] libgccjit.so.0.0.1 linkage failure on darwin

[dmalcolm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64089

--- Comment #17 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
This ought to be fixed in trunk (for gcc 8) by r258388.