Update Subzero to start parsing PNaCl bitcode files.

src/IceClFlags.h

+//===- subzero/src/IceClFlags.h - Cl Flags controlling translation --------===//
+//
+//                        The Subzero Code Generator
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares command line flags controlling translation.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef SUBZERO_SRC_ICECLFLAGS_H
+#define SUBZERO_SRC_ICECLFLAGS_H
+
+namespace Ice {
+
+class ClFlags {
+public:
+  ClFlags()
+      : DisableInternal(false),
+        SubzeroTimingEnabled(false),
+        DisableTranslation(false)
+  {}
+  bool DisableInternal;
+  bool SubzeroTimingEnabled;
+  bool DisableTranslation;
+};
+
+}
+
+#endif  // SUBZERO_SRC_ICECLFLAGS_H