NetBSD-Bugs archive
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]
Re: toolchain/60289: NetBSD 11 gcc mis-optimises some NULL checks
The following reply was made to PR toolchain/60289; it has been noted by GNATS.
From: Christos Zoulas <christos%zoulas.com@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: toolchain-manager%netbsd.org@localhost,
gnats-admin%netbsd.org@localhost,
netbsd-bugs%netbsd.org@localhost
Subject: Re: toolchain/60289: NetBSD 11 gcc mis-optimises some NULL checks
Date: Sat, 23 May 2026 16:28:06 -0400
--Apple-Mail=_C0AD64E4-92BB-4398-B39F-BD45041F0A5F
Content-Transfer-Encoding: 7bit
Content-Type: text/plain;
charset=us-ascii
&barp->foo is UB if barp is NULL, so the compiler skips the next test.
This is what the language lawyers have decided.
christos
--Apple-Mail=_C0AD64E4-92BB-4398-B39F-BD45041F0A5F
Content-Transfer-Encoding: 7bit
Content-Disposition: attachment;
filename=signature.asc
Content-Type: application/pgp-signature;
name=signature.asc
Content-Description: Message signed with OpenPGP
-----BEGIN PGP SIGNATURE-----
Comment: GPGTools - http://gpgtools.org
iF0EARECAB0WIQS+BJlbqPkO0MDBdsRxESqxbLM7OgUCahIN1wAKCRBxESqxbLM7
OpbzAJ4qmEjMbRrRgT0u0M3GUTAWthHaNwCgxVqqZQFBPCzyeG3v/j1NQYn5Q0s=
=zWhX
-----END PGP SIGNATURE-----
--Apple-Mail=_C0AD64E4-92BB-4398-B39F-BD45041F0A5F--
Home |
Main Index |
Thread Index |
Old Index