[Bug middle-end/125986] ranger: incoming relations to a threading path are ignored

[amacleod at redhat dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125986

--- Comment #4 from Andrew Macleod <amacleod at redhat dot com> ---
Created attachment 64867
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=64867&action=edit
potential enhancement

This is the patch which queries the root oracle, even if there is a killing
def...    feel free to play with it.