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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug tree-optimization/109008] [13 Regression] Wrong code in scipy
 package since r13-3926-gd4c2f1d376da6f
Date: Wed, 22 Mar 2023 09:07:31 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D109008

--- Comment #50 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Aldy Hernandez <aldyh@gcc.gnu.org>:

https://gcc.gnu.org/g:81295d445ec569c6413fd6f7921e27420167f8fa

commit r13-6797-g81295d445ec569c6413fd6f7921e27420167f8fa
Author: Aldy Hernandez <aldyh@redhat.com>
Date:   Wed Mar 8 10:58:01 2023 +0100

    frange: Implement nan_state class [PR109008]

    This patch implements a nan_state class, that allows us to query or
    pass around the NANness of an frange.  We can store +NAN, -NAN, +-NAN,
    or not-a-NAN with it.

    I tried to touch as little as possible, leaving other cleanups to the
    next release.  For example, we should replace the m_*_nan fields in
    frange with nan_state, and provide relevant accessors to nan_state
    (isnan, etc).

            PR tree-optimization/109008

    gcc/ChangeLog:

            * value-range.cc (frange::set): Add nan_state argument.
            * value-range.h (class nan_state): New.
            (frange::get_nan_state): New.=