[Bug other/63426] [meta-bug] Issues found with -fsanitize=undefined

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63426
Bug 63426 depends on bug 85789, which changed state.

Bug 85789 Summary: Signed integer overflow with nonzero optimization in cse.c
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85789

           What    |Removed                     |Added
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             Status|NEW                         |RESOLVED
         Resolution|---                         |DUPLICATE