Do not force -O2 flag in hardening-enabled builds#21269
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opencv-pushbot merged 1 commit intoopencv:3.4from Dec 16, 2021
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Do not force -O2 flag in hardening-enabled builds#21269opencv-pushbot merged 1 commit intoopencv:3.4from
opencv-pushbot merged 1 commit intoopencv:3.4from
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alalek
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Dec 16, 2021
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Apparently switching from -O3 to -O2 can cause significant performance penalty in some cases.