Add a Force option to raw_fd_ostream to specify whether opening
an existing file is considered an error. Convert several tools
to use raw_fd_ostream instead of std::ostream, and to use this
new option instead of doing a manual check.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75801 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/gold/gold-plugin.cpp b/tools/gold/gold-plugin.cpp
index 146c53f..9554b8a 100644
--- a/tools/gold/gold-plugin.cpp
+++ b/tools/gold/gold-plugin.cpp
@@ -362,7 +362,9 @@
     (*message)(LDPL_ERROR, "%s", ErrMsg.c_str());
     return LDPS_ERR;
   }
-  raw_fd_ostream *objFile = new raw_fd_ostream(uniqueObjPath.c_str(), true,
+  raw_fd_ostream *objFile = new raw_fd_ostream(uniqueObjPath.c_str(),
+                                               /*Binary=*/true,
+                                               /*Force=*/true,
                                                ErrMsg);
   if (!ErrMsg.empty()) {
     delete objFile;