https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29842 Bug 29842 depends on bug 20211, which changed state.
Bug 20211 Summary: autoincrement generation is poor https://gcc.gnu.org/bugzilla/show_bug.cgi?id=20211 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |WONTFIX