[Bug fortran/125314] ice in copy_reference_ops_from_ref, at tree-ssa-sccvn.cc:1147 with -O1.

[dcb314 at hotmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125314

--- Comment #3 from David Binderman <dcb314 at hotmail dot com> ---
Bisection in progress. Only 40 commits from good to bad.