[Bug libgcc/61003] [4.9 Regression] Segfault in __deregister_frame_info_bases when exiting, on i686-mingw32 with dw2 unwinding

[fanael4 at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=61003

--- Comment #1 from Fanael <fanael4 at gmail dot com> ---
Note: I was compiling with -O2, so the line number may not be very indicative.
Should I post a backtrace of -O0?