Rich,

on Wed, 31 May 2023 10:27:44 -0400 you (Rich Felker <dalias@libc.org>)
wrote:

> (This was the whole reason _BitInt was added, no?)

No, not at all. These are added to have

 - types for any width, not only multiples of 8
 - potentially have types that have thousands of bits (clang seems to
   be keen to do so)
 - types that have different rules for conversions, in particular no promotion.

These are explicitly not allowed to be used for the [u]intXXX_t types.

They only appear in the patches I propose as a means to encode number
literals of the appropriate width. These are used with casts, such
that they end up with the correct types.

Thanks
Jₑₙₛ

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