[llvm] r199057 - raw_fd_ostream: Don't change STDERR to O_BINARY, or w*printf() (in assert()) would barf wide chars after llvm::errs().

[NAKAMURA Takumi]

2014/1/13 David Majnemer <david.majnemer at gmail.com>:
> Couldn't we use _O_U8TEXT with O_BINARY to get the best of both worlds?

I don't think _O_U8TEXT there. Stderr may follow its codepage with
O_TEXT (by default).