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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: Not good for Ada endorsement
Date: Fri, 16 Jul 2021 17:28:16 +0100
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Lucretia <laguest9000@googlemail.com> writes:

> On Thursday, 15 July 2021 at 17:29:52 UTC+1, Anh Vo wrote:
>
>> > A packed array of Boolean requires all the operations above, plus
>> > shifting the bit to the LSB and treating the result as a Boolean,
>> > so it may not be that surprising that it's slower.
>> Should fixed lower bound index array (-gnatX) speed it up? 
>
> On GCC 9.3.0:
>
>   -gnatX    Language extensions permitted

Ah, but which ones?