[Bug middle-end/126661] Faulty mutex in LTO compilation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126661

--- Comment #5 from Sam James <sjames at gcc dot gnu.org> ---
(In reply to wedge009 from comment #4)
> I haven't reported this to Audacious yet because if compiling without LTO
> removed the problem then I felt the issue lay with the compiler. But since
> you and the revised analysis seems to point to Audacious' coding maybe this
> can be closed for now. Thanks for your time anyway.

It's common for UB to show up with LTO.