[Bug tree-optimization/67816] [6 Regression] ICE in duplicate_thread_path, 186.crafty fails to build

[law at redhat dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67816

--- Comment #11 from Jeffrey A. Law <law at redhat dot com> ---
Thanks.  I've got it to fault here.  It'll be first on the list of things to do
today.