[Bug middle-end/64642] Malformed code as result of C-cast to (polymorphic) object-reference (depends on opt-level ...)

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64642

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |INVALID

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Well, you invoke undefined behavior here which means GCC can do anything it
wants.
In this case it simply marks the virtual call unreachable and simplifies the
code according to that.