[Bug libstdc++/107376] regex executor requires allocator to be default constructible

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107376

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|13.0                        |12.4

--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Backported for 12.4