https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108292

--- Comment #8 from Roger Sayle <roger at nextmovesoftware dot com> ---
Created attachment 54195
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54195&action=edit
Roger's proposed patch

Here's my proposed patch (or something close to it, it's still bootstrapping
and regression testing).  The goal is to capture the original comparison (at
the top of the BB), and avoid/ignore the actual comparison that we may have
converted to.
Sorry again to the inconvenience.  Please let me know what you think.

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