[Bug middle-end/70807] fwprop pass ICE with incoming CDI_DOMINATORS

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70807

--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
Created attachment 38350
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38350&action=edit
A patch to trigger ICE in fwprop pass on x86-64