[Bug fortran/95939] [11 Regression] ice with -O3 in compute_live_loop_exits

[dcb314 at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95939

--- Comment #1 from David Binderman <dcb314 at hotmail dot com> ---
Same error in testsuite files gcc.dg/tree-ssa/pr23433.c
and gcc.target/aarch64/sve/reduc_strict_8.c.

I'll have a go at reducing the first.