llvm-project

86e20b00 - [libcxx] Use _ftelli64/_fseeki64 on Windows (#123128)

[libcxx] Use _ftelli64/_fseeki64 on Windows (#123128) This allows using the full 64 bit range for file offsets. This should fix the issue reported downstream at https://github.com/mstorsjo/llvm-mingw/issues/462.