[libc-commits] [libc] [libc] Make BigInt bit_cast-able to compatible types (PR #75063)

[Guillaume Chatelet via libc-commits]

gchatelet wrote:

Contrary to #74837 this patch does not try to make the type `bit_cast`-able directly but adds `bit_cast` implementations that know how to interact with the type.

https://github.com/llvm/llvm-project/pull/75063