[Bug rtl-optimization/115876] [15 regression] ext-dce.cc has ubsan issues; shifting negative values

[law at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115876

--- Comment #8 from Jeffrey A. Law <law at gcc dot gnu.org> ---
Strange.  My m68k bootstrap ran just fine, though I used QEMU rather than
Anarym.   Andreas, I don't guess you still have enough state lying around to
get register info and some surrounding assembly code at the fault point?