https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67552 Bug 67552 depends on bug 67630, which changed state.
Bug 67630 Summary: ymm and zmm register aren't preserved in interrupt handler https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67630 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED