[Bug libstdc++/105562] [12 Regression] std::function::_M_invoker may be used uninitialized in std::regex move with -fno-strict-aliasing

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105562

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to fail|                            |12.1.0
      Known to work|                            |11.3.0, 13.0
            Summary|std::function<bool(char)>:: |[12 Regression]
                   |_M_invoker may be used      |std::function<bool(char)>::
                   |uninitialized in std::regex |_M_invoker may be used
                   |move with                   |uninitialized in std::regex
                   |-fno-strict-aliasing        |move with
                   |                            |-fno-strict-aliasing

--- Comment #14 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed on trunk sofar.