I would say that is the definitive scenario in which one would want to use an external library such as pcgrand.
As others have commented in that thread, locking down implementation prevents later optimizations. Even introducing a parameter to qualify which algorithmic sequence you want to use, is a recipe for disaster in terms of bloating implementations.
At this point one has to ask how much load you want to put on the standards implementors, when the simplest solution of using an external library solves this edge case.

On Thu, 13 May 2021 at 09:11, Tjernstrom, Staffan via SG14 <sg14@lists.isocpp.org> wrote:

Interestingly this appears to be today's topic on the Proposals reflector, eg




Kind Rgds

Staffan Tj.


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