https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56456 Bug 56456 depends on bug 52504, which changed state.
Bug 52504 Summary: (unreachable) out of bounds access in thread_prologue_and_epilogue_insns https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52504 What |Removed |Added ---------------------------------------------------------------------------- Status|WAITING |RESOLVED Resolution|--- |INVALID