https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107172
--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> ---
i386 needs to change
(ltu:SI (const_int 1 [1])
(const_int 0 [0]))
to
(ne:SI (const_int 1 [1])
(const_int 0 [0]))
when checking the carry flag. But the mode info isn't passed to
TARGET_CANONICALIZE_COMPARISON.
