https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87701
David Binderman <dcb314 at hotmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |dcb314 at hotmail dot com --- Comment #3 from David Binderman <dcb314 at hotmail dot com> --- Code compiles ok at -O2, so -O3 required. Bug seems to first appear somewhere between revision 265367 and 265411.