[libcxx-commits] [libcxx] [libc++] fix largefile handling in fs::copy_file (PR #121855)

[Sam James via libcxx-commits]

thesamesam wrote:

The change is correct, but to add context in case anybody wonders in future: see https://inbox.sourceware.org/libc-alpha/20230628175329.GA16113@brightrain.aerifal.cx/ onwards.

https://github.com/llvm/llvm-project/pull/121855