Re: F38 proposal: Add _FORTIFY_SOURCE=3 to distribution build flags (System-Wide Change proposal)

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> On Tue, Dec 6, 2022 at 12:56 PM Andrii Nakryiko
> <andrii.nakryiko(a)gmail.com&gt; wrote:
> 
> I don't think the two are comparable at all, neither in terms of
> potential performance impact (register pressure across an entire
> program vs at specific API call points in some unique cases) nor in
> terms of the benefits it provides.

It's irrelevant if they are comparable. This is a system-wide change that has potential to cause performance regression. By how much -- not clear. Hand-waiving such concerns is extremely disappointing in the face of the scrutiny given to https://pagure.io/fesco/issue/2817. So, please get inspiration from that proposal and do benchmarks.

> 
> Thanks,
> Sid
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