https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66661
--- Comment #2 from Pádraig Brady <P at draigBrady dot com> --- Created attachment 35850 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35850&action=edit disassembly of problematic mem access
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66661
--- Comment #2 from Pádraig Brady <P at draigBrady dot com> --- Created attachment 35850 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35850&action=edit disassembly of problematic mem access