https://gcc.gnu.org/bugzilla/show_bug.cgi?id=38716 Bug 38716 depends on bug 63401, which changed state.
Bug 63401 Summary: "optimize" attribute overwrites other options https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63401 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED