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From: "glisse at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/95351] Comparison with NAN optimizes incorrectly with
 -ffast-math disabled
Date: Tue, 26 May 2020 23:07:23 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D95351

--- Comment #2 from Marc Glisse <glisse at gcc dot gnu.org> ---
It might not be the issue, but merge_truthop_with_opposite_arm has a suspic=
ious
HONOR_NANS (type) where type is bool: the result of the comparison instead =
of
one of the arguments.=