https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115908
--- Comment #7 from Artyom Kolpakov <ddvamp007 at gmail dot com> --- (In reply to Iain Sandoe from comment #6) > fixed on trunk, waiting for possible back-port I'm not sure if I should write this here, but now a warning has appeared in the original example: unused parameter 'frame_ptr'