[Bug ada/123060] [13/14/15/16 regression] ICE in fld_incomplete_type_of when building gtkada with LTO

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123060

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
          gcc_assert (TYPE_CANONICAL (t2) != t2
                      && TYPE_CANONICAL (t2) == TYPE_CANONICAL (TREE_TYPE
(t)));