https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110315
--- Comment #6 from Andrew Macleod <amacleod at redhat dot com> --- I think the difference is actually Aldys work to reduce the size of Value_Range rather than other stack saving changes. I think I can make some adjustments so that our usage of Value_Range are on leaf functions in some places instead of remaining in the call chain. I'll get back to you