https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90242
--- Comment #1 from David Binderman <dcb314 at hotmail dot com> --- Only flag -O2 required.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90242
--- Comment #1 from David Binderman <dcb314 at hotmail dot com> --- Only flag -O2 required.