https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81030
--- Comment #4 from David Binderman <dcb314 at hotmail dot com> --- (In reply to David Binderman from comment #3) > (In reply to David Binderman from comment #2) > > Bug seems to occur between gcc revision 248932 and 249008. > > Between revisions 248932 and 248951. Between revisions 248942 and 248947.