Index: lib/System/Unix/Path.inc
===================================================================
--- lib/System/Unix/Path.inc	(revision 89338)
+++ lib/System/Unix/Path.inc	(working copy)
@@ -454,6 +454,27 @@
 }

 bool
+Path::isSpecial() const {
+  // Get the status so we can determin if its a file or directory
+  struct stat buf;
+  if (0 != stat(path.c_str(), &buf)) {
+    MakeErrMsg(ErrStr, path + ": can't get status of file");
+    return true;
+  }
+
+  // Check catches strange situations. In all cases, LLVM should
+  // only be involved in the creation and deletion of regular files.  This
+  // check ensures that what we're trying to work only on a regular file. It
+  // effectively prevents LLVM from erasing things like /dev/null, any block
+  // special file, or other things that aren't "regular" files.
+  if ( S_ISDIR(buf.st_mode) || S_ISREG(buf.st_mode) ) {
+    return false;
+  }
+
+  return true;
+}
+
+bool
 Path::canExecute() const {
   if (0 != access(path.c_str(), R_OK | X_OK ))
     return false;