Add a comment noting that raw_os_ostream does not check for errors.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75794 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/Support/raw_ostream.h b/include/llvm/Support/raw_ostream.h
index 8242f04e23ce4670fa2e3d8005b3c8c284adeff5..261a9225c43e1eb83f98871ca5deb2219d4960e2 100644 (file)
--- a/include/llvm/Support/raw_ostream.h
+++ b/include/llvm/Support/raw_ostream.h
@@ -308,7 +308,8 @@ raw_ostream &errs();
 //===----------------------------------------------------------------------===//
 
 /// raw_os_ostream - A raw_ostream that writes to an std::ostream.  This is a
-/// simple adaptor class.
+/// simple adaptor class.  It does check for I/O errors; clients should use
+/// the underlying stream to detect errors.
 class raw_os_ostream : public raw_ostream {
   std::ostream &OS;