diff options
| -rw-r--r-- | lib/Support/raw_ostream.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/Support/raw_ostream.cpp b/lib/Support/raw_ostream.cpp index 84f5ab592e..2d825e1509 100644 --- a/lib/Support/raw_ostream.cpp +++ b/lib/Support/raw_ostream.cpp @@ -469,9 +469,10 @@ raw_fd_ostream::raw_fd_ostream(int fd, bool shouldClose, bool unbuffered) : raw_ostream(unbuffered), FD(fd), ShouldClose(shouldClose), Error(false), UseAtomicWrites(false) { #ifdef O_BINARY - // Setting STDOUT and STDERR to binary mode is necessary in Win32 + // Setting STDOUT to binary mode is necessary in Win32 // to avoid undesirable linefeed conversion. - if (fd == STDOUT_FILENO || fd == STDERR_FILENO) + // Don't touch STDERR, or w*printf() (in assert()) would barf wide chars. + if (fd == STDOUT_FILENO) setmode(fd, O_BINARY); #endif |