[Bug libstdc++/57975] Core dump caused by linking with -lpthread

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57975

--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> ---
I am working (slowly) on some additional Debug Mode checks in <mutex>,
<condition_variable> etc. so at some point you'll be able to debug this with
-D_GLIBCX_DEBUG