Subzero: Fix symbol name mangling. Make flags global.

src/IceMangling.h

Index: src/IceMangling.h
diff --git a/src/IceMangling.h b/src/IceMangling.h
new file mode 100644
index 0000000000000000000000000000000000000000..3c838a1c2a94aca1c5f538a182e249b453a8303d
--- /dev/null
+++ b/src/IceMangling.h
@@ -0,0 +1,26 @@
+//===- subzero/src/IceMangling.h - Name mangling for crosstests -*- C++ -*-===//
+//
+//                        The Subzero Code Generator
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief Declares utility functions for name mangling for cross tests.
+///
+//===----------------------------------------------------------------------===//
+
+#ifndef SUBZERO_SRC_ICEMANGLING_H
+#define SUBZERO_SRC_ICEMANGLING_H
+
+#include "IceDefs.h"
+
+namespace Ice {
+
+IceString mangleName(const IceString &Name);
+
+} // end of namespace Ice
+
+#endif // SUBZERO_SRC_ICEMANGLING_H