Use constant types to represent the fixed right arg of a MOD.

src/hydrogen.h

Index: src/hydrogen.h
diff --git a/src/hydrogen.h b/src/hydrogen.h
index 61e98b2b0ce9c0053c131098bd74d30a4cc15c2f..409935d38b34fd1e5e4ed9679d37a46a79c38fa8 100644
--- a/src/hydrogen.h
+++ b/src/hydrogen.h
@@ -1351,8 +1351,7 @@ class HGraphBuilder {
                                HValue* right,
                                Handle<Type> left_type,
                                Handle<Type> right_type,
-                               Handle<Type> result_type,
-                               Maybe<int> fixed_right_arg);
+                               Handle<Type> result_type);
 
   HLoadNamedField* AddLoadFixedArrayLength(HValue *object);