Allow ability to name unnamed global addresses in Subzero.

src/IceClFlags.h

Index: src/IceClFlags.h
diff --git a/src/IceClFlags.h b/src/IceClFlags.h
index 5cf534c0dec54901a706d84dfb12f16d28d4d77b..858b7c1d6775e9174ef0ef8ac25a87ca723e69c1 100644
--- a/src/IceClFlags.h
+++ b/src/IceClFlags.h
@@ -14,20 +14,26 @@
 #ifndef SUBZERO_SRC_ICECLFLAGS_H
 #define SUBZERO_SRC_ICECLFLAGS_H
 
+#include "IceTypes.def"
+
 namespace Ice {
 
+// TODO(stichnot) Move more command line flags into ClFlags.
 class ClFlags {
 public:
   ClFlags()
       : DisableInternal(false), SubzeroTimingEnabled(false),
         DisableTranslation(false), DisableGlobals(false),
-        FunctionSections(false), UseSandboxing(false) {}
+        FunctionSections(false), UseSandboxing(false), DefaultGlobalPrefix(""),
+        DefaultFunctionPrefix("") {}
   bool DisableInternal;
   bool SubzeroTimingEnabled;
   bool DisableTranslation;
   bool DisableGlobals;
   bool FunctionSections;
   bool UseSandboxing;
+  IceString DefaultGlobalPrefix;
+  IceString DefaultFunctionPrefix;
 };
 
 } // end of namespace Ice