[Bug tree-optimization/68761] -floop-interchange internal compiler error: in create_tmp_var, at gimple-expr.c:519

[jtaylor.debian at googlemail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68761

--- Comment #1 from Julian Taylor <jtaylor.debian at googlemail dot com> ---
5.2.0 seems to also be affected.
Also tested 4.9.2 which works. Probably an regression of 5.x then.