[Bug c++/58366] invocation of thread_local class containing bound function leads to : "Illegal instruction: 4"

[jbcoe at me dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58366

--- Comment #8 from Jonathan Coe <jbcoe at me dot com> ---
I've pared down the example. The crash is much harder to reproduce now (maybe 1
in 20 runs). Please find code and crash log attached.