[PATCH] Annotate our UB to sneak it past the sanitizers

[Kostya Serebryany via llvm-commits]

Sounds very scary.
At the very least we should specify which flavor of UB we allow here (not
just all of it)
And then comment why exactly we allow it.

On Thu, Feb 25, 2016 at 1:19 PM, Justin Bogner <mail at justinbogner.com>
wrote:

> Attached patch silences -fsanitize=undefined wrt the UB we have for
> ilist node sentinels. Okay to commit?
>
>
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