[Bug tree-optimization/111917] [11/12/13/14 Regression] ICE in as_a, at is-a.h:255 since GCC-7

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111917

--- Comment #5 from Thomas Koenig <tkoenig at gcc dot gnu.org> ---

> It does not ICE with aa90195, for which the original test case ICEs,
> so it is something else (although probably related).

.. or at least it does not ICE with checking disabled (to be exact).