[Bug tree-optimization/99074] gcc 8 and above is crashing with dynamic_cast<>() on null pointer with optimization level -O1 and above

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99074

Martin Sebor <msebor at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
      Known to fail|                            |10.2.0, 8.3.0, 9.3.0
           See Also|                            |https://gcc.gnu.org/bugzill
                   |                            |a/show_bug.cgi?id=99229
      Known to work|                            |11.0
         Resolution|---                         |FIXED

--- Comment #4 from Martin Sebor <msebor at gcc dot gnu.org> ---
r11-7350 changes __dynamic_cast to handle null pointers gracefully.  But the
part to diagnose the user code bug was not approved.  I raised pr99229 to track
it.