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From: Jonathan Wakely <jwakely@redhat.com>
Date: Thu, 10 Mar 2022 12:16:44 +0000
Message-ID: <CACb0b4mGJE-r5MgAQAfSA5A3j4p4mVrD7Q09LbQ0gb-YqU7TUw@mail.gmail.com>
Subject: Re: [committed] libstdc++: Support VAX floats in std::strong_order
To: Jonathan Wakely <jwakely@redhat.com>
Cc: "libstdc++" <libstdc++@gcc.gnu.org>, gcc Patches <gcc-patches@gcc.gnu.org>
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On Thu, 10 Mar 2022 at 11:53, Jonathan Wakely via Libstdc++
<libstdc++@gcc.gnu.org> wrote:
>
> Tested x86_64-linux, and basic soundness check on vax-dec-netbsdelf.

But apparently not enough of a soundness check, because
isnan(__builtin_nan("")) is true for VAX, so GCC seems to have a NaN
pattern, despite what I read online about the format.

Fix on the way ...