https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108718
--- Comment #9 from David Binderman <dcb314 at hotmail dot com> --- Created attachment 54463 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54463&action=edit C source code After a further hour of reduction, a partially reduced program. cvise doesn't seem able to make much further progress with it.