[Bug libstdc++/117394] evil regex causes a stack overflow and a crash

[vincent.lebourlot at starqube dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117394

--- Comment #2 from vincent.lebourlot at starqube dot com ---
fair enough. Any chance this might be looked at at some point? llvm doesn't
seem to have such a problem on that regex. 
Cheers