+/// getErrorOutputStream - Returns the error output stream (std::cerr). This
+/// places the std::c* I/O streams into one .cpp file and relieves the whole
+/// program from having to have hundreds of static c'tor/d'tors for them.
+///
+OStream &getErrorOutputStream(const char *DebugType);
+
+#ifdef NDEBUG
+#define DOUT llvm::OStream(0)
+#else
+#define DOUT llvm::getErrorOutputStream(DEBUG_TYPE)
+#endif
+