https://gcc.gnu.org/bugzilla/show_bug.cgi?id=16996 Bug 16996 depends on bug 38570, which changed state.
Bug 38570 Summary: [arm] -mthumb generates sub-optimal prolog/epilog https://gcc.gnu.org/bugzilla/show_bug.cgi?id=38570 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |WORKSFORME
