[Bug tree-optimization/104987] [12 Regression] Recent change causing vrp13.c regressions on several targets

[law at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104987

--- Comment #6 from Jeffrey A. Law <law at gcc dot gnu.org> ---
For the v850 at least, I'm starting to think this is a simulator bug.  In
particular the simulator code doesn't look safe on a 64bit host for a signed
input to the MUL instruction.