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From: "xry111 at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/110796] builtin_iseqsig fails some tests in
 armv8l-linux-gnueabihf
Date: Fri, 05 Jan 2024 14:49:39 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D110796

Xi Ruoyao <xry111 at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |xry111 at gcc dot gnu.org

--- Comment #13 from Xi Ruoyao <xry111 at gcc dot gnu.org> ---
(In reply to Francois-Xavier Coudert from comment #8)
> (In reply to Richard Earnshaw from comment #6)
> > Is the exception status supposed to be in a defined state when the test
> > runs?  Shouldn't there be a call to feclearexcept (FE_ALL_EXCEPT) at the
> > start of the test?
>=20
> Isn't the exception status guaranteed to be defined (and not signaling) w=
hen
> the program starts?

It should be guaranteed.  Otherwise it indicates a bug in kernel or libc.

> But adding feclearexcept (FE_ALL_EXCEPT); at the beginning of main() could
> not hurt, for sure.=