[Bug middle-end/123447] [15 Regression] ICE: in simplify_gen_subreg_concatn, at lower-subreg.cc:744 with -O2 -mstrict-align and large vectors

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123447

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|                            |16.0
      Known to fail|16.0                        |
             Status|NEW                         |ASSIGNED
            Summary|[15/16 Regression] ICE: in  |[15 Regression] ICE: in
                   |simplify_gen_subreg_concatn |simplify_gen_subreg_concatn
                   |, at lower-subreg.cc:744    |, at lower-subreg.cc:744
                   |with -O2 -mstrict-align and |with -O2 -mstrict-align and
                   |large vectors               |large vectors

--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
Should be fixed on trunk, let's see if there's any fallout before considering
to backport this.