[Bug lto/93166] [10 Regression] ICE in get_info_about_necessary_edges, at ipa-cp.c:4137 since r278893

[fxue at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93166

--- Comment #7 from fxue at gcc dot gnu.org ---
(In reply to Jeffrey A. Law from comment #6)
> I've got state, so I'll take this as well.

Here is a patch at https://gcc.gnu.org/ml/gcc-patches/2020-01/msg00068.html,
waiting for review from someone.