[Bug middle-end/117457] regex global buffer overflow LTO

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117457

--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
So the generated code on the gimple level looks fine, which means maybe _M_end
is incorrect and got over-written somehow.