https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117873
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|Spurious |Spurious
|-Wmaybe-uninitialized |-Wmaybe-uninitialized
|warnings with -O3 for |warnings with
|static const std::regex |-fsanitize=address -O3 for
| |static const std::regex
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
-fsanitize=address is important which is not suprising.