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Re: toolchain/60289: NetBSD 11 gcc mis-optimises some NULL checks

To: gnats-bugs%netbsd.org@localhost
Subject: Re: toolchain/60289: NetBSD 11 gcc mis-optimises some NULL checks
From: Christos Zoulas <christos%zoulas.com@localhost>
Date: Sat, 23 May 2026 16:28:06 -0400

&barp->foo is UB if barp is NULL, so the compiler skips the next test.
This is what the language lawyers have decided.

christos

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References:
- toolchain/60289: NetBSD 11 gcc mis-optimises some NULL checks
  - From: Manuel.Bouyer%lip6.fr@localhost via gnats

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