[Bug tree-optimization/84811] ICE on valid code at -O3 in 64-bit mode on x86_64-linux-gnu: in smallest_mode_for_size, at stor-layout.c:355

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84811

--- Comment #5 from Martin Liška <marxin at gcc dot gnu.org> ---
> gcc version 8.0.1 20180310 (experimental) [trunk revision 258413] (GCC)

Just a nit, this revision mentioned above is actually from GCC 7 branch. Isn't
that the issue?