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From: Florian Weimer <fweimer@redhat.com>
To: Reinoud Koornstra <reinoudkoornstra@gmail.com>
Cc: Xi Ruoyao <xry111@mengyan1223.wang>,  Reinoud Koornstra via Gcc-help
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Subject: Re: Fortify_source and stack-protector-strong
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Date: Tue, 19 Apr 2022 13:24:56 +0200
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 (Reinoud Koornstra's message of "Fri, 11 Mar 2022 11:01:05 -0800")
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* Reinoud Koornstra:

> One more question, for FORTIFY_SOURCE=2, can I use either -O1 or -O2
> optimization flags?  I noticed it doesn't like -Os. Thanks,

Historically, I think the expectation was that 1 should be used with -O1
and 2 with -O2.  But I think the required passes run at -O1 as well.

Thanks,
Florian