https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67921
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|--- |6.0 Summary|"internal compiler error: |[6 Regression] "internal |in build_polynomial_chrec, |compiler error: in |at tree-chrec.h:147" when |build_polynomial_chrec, at |using -fsanitize=undefined |tree-chrec.h:147" when | |using -fsanitize=undefined --- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> --- Confirmed with -O2 -fsanitize=undefined. We have a NEGATE_EXPR of pointer type, that doesn't look correct.