https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63426 Bug 63426 depends on bug 84946, which changed state.
Bug 84946 Summary: [8 Regression] UBSAN: in mem_valid_for_store_merging ../../gcc/gimple-ssa-store-merging.c:3951 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84946 What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED