[Bug rtl-optimization/115568] [12/13/14/15 Regression] wrong code at -O2 with "-fno-tree-sink -fno-tree-ter -fschedule-insns" on x86_64-linux-gnu since r12-6122-g9407058a430316

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115568

--- Comment #7 from Vladimir Makarov <vmakarov at gcc dot gnu.org> ---
I've reproduced the bug and started to work on it.  It looks like bug in
combination of inheritance and rematerialization.  I'll try to fix it on this
week.