[Bug tree-optimization/66729] Segfault starting with r224967

[dje at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66729

--- Comment #1 from David Edelsohn <dje at gcc dot gnu.org> ---
Is this the bootstrap failure that Segher tracked to Richard Sandiford? 
Richard already posted a patch.