[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 #5 from fxue at gcc dot gnu.org ---
To add a specialized class for tree lattices is a way, but will complicate the
code. We can simple remove the assertion. And a one-file test case was made
from original files.