https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120206

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #2)
> One reason is that this is one of the few users of rhs_to_tree, aka we go
> back to GENERIC and its folding.

Yes I noticed that when I disabled forward_propagate_into_gimple_cond and got a
failure dealing with `&a->b != c`.

I am thinking I need to write out to a file when
forward_propagate_into_gimple_cond/forward_propagate_into_comparison gets back
something that is folded to find more rather than just disabling it and finding
testsuite failures. Because there could some that the testsuite is not testing
for.

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