https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101254

--- Comment #11 from Andrew Macleod <amacleod at redhat dot com> ---
(In reply to Jakub Jelinek from comment #10)
> Comment on attachment 51084 [details]
> another patch
> 
> Except for some consistency (max is in comments lowercase, but MIN is
> uppercase), it looks good to me.

latest version i had already switched those to +INF and -INF terminology. 
Running thru testing now. 

> Slightly OT, wonder if something tries to handle even the swapped arguments,
> i.e. relation op1 < op2 and subtraction op2 - op1.  But that can be done
> incrementally if not done yet...

Not sure I follow.  Why would we be interested in swapping operands of a minus?

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