[Bug tree-optimization/103467] [12 Regression] ICE in range_def_chain::register_dependency since r12-4871-g502ffb1f389011b2

[amacleod at redhat dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103467

--- Comment #2 from Andrew Macleod <amacleod at redhat dot com> ---
Hm.. I can't seem to reproduce, I built alpha cross with latest trunk, but it
seems to compile, as does x86_64.  
What with the  MALLOC_PERTURB_=3 MALLOC_CHECK_=3 ?