Fix materialization of arguments objects with unknown values.

src/ia32/lithium-codegen-ia32.h

Index: src/ia32/lithium-codegen-ia32.h
diff --git a/src/ia32/lithium-codegen-ia32.h b/src/ia32/lithium-codegen-ia32.h
index a4f7100627043a8e0ba33b714897ca52e1e32f80..c4fca1c908e5b3fa0b4067ebf2687718a727066a 100644
--- a/src/ia32/lithium-codegen-ia32.h
+++ b/src/ia32/lithium-codegen-ia32.h
@@ -261,6 +261,7 @@ class LCodeGen BASE_EMBEDDED {
                         LOperand* op,
                         bool is_tagged,
                         bool is_uint32,
+                        bool arguments_known,
                         int arguments_index,
                         int arguments_count);
   void RegisterDependentCodeForEmbeddedMaps(Handle<Code> code);