Use 0664 instead of 0644 for the default open mode. This is
consistent with common std::ostream implmentations, and it gives
the user the option of using the umask group write bit.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75792 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/raw_ostream.cpp b/lib/Support/raw_ostream.cpp
index ef72501..3e1a8a9 100644
--- a/lib/Support/raw_ostream.cpp
+++ b/lib/Support/raw_ostream.cpp
@@ -266,7 +266,7 @@
   if (Binary)
     Flags |= O_BINARY;
 #endif
-  FD = open(Filename, Flags, 0644);
+  FD = open(Filename, Flags, 0664);
   if (FD < 0) {
     ErrorInfo = "Error opening output file '" + std::string(Filename) + "'";
     ShouldClose = false;