[libc-commits] [libc] [libc] fix -Wshorten-64-to-32 (PR #74392)

[Guillaume Chatelet via libc-commits]

gchatelet wrote:

This is a duplicate of #74260 and _fixed by dead code removal_ in #73939 (relanded as #74446).

https://github.com/llvm/llvm-project/pull/74392