The IC should define its input registers

src/ic.h

Index: src/ic.h
diff --git a/src/ic.h b/src/ic.h
index 3f550438a487849c8931dc6d87f7b51d8b125405..f2a792bc5613d42d01b75dc339a6912c91e97611 100644
--- a/src/ic.h
+++ b/src/ic.h
@@ -398,6 +398,15 @@ class LoadIC: public IC {
   class ContextualModeBits: public BitField<ContextualMode, 0, 1> {};
   STATIC_ASSERT(static_cast<int>(NOT_CONTEXTUAL) == 0);
 
+  enum RegisterInfo {
+    kReceiverIndex,
+    kNameIndex,
+    kRegisterArgumentCount
+  };
+  static Register kReceiverRegister;
+  static Register kNameRegister;
+  static const Register registers[kRegisterArgumentCount];
+
   static ExtraICState ComputeExtraICState(ContextualMode contextual_mode) {
     return ContextualModeBits::encode(contextual_mode);
   }
@@ -498,6 +507,10 @@ class KeyedLoadIC: public LoadIC {
     ASSERT(target()->is_keyed_load_stub());
   }
 
+  static const Register registers[kRegisterArgumentCount];
+  static Register kReceiverRegister;
+  static Register kNameRegister;
+
   MUST_USE_RESULT MaybeHandle<Object> Load(Handle<Object> object,
                                            Handle<Object> key);