[Bug tree-optimization/83695] [8 Regression] ICE on valid code at -O3: Segmentation fault

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83695

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
possibly failure to release the SCEV cache after invalidating it (DCEing
stmts).