Get rid of HLinkObjectInList.

src/arm/lithium-arm.h

Index: src/arm/lithium-arm.h
diff --git a/src/arm/lithium-arm.h b/src/arm/lithium-arm.h
index eecacec1a8041c429e077ed61b14ad435a6c0347..42bec145721734ed6a9d8f1fed3ccb16aa9989ac 100644
--- a/src/arm/lithium-arm.h
+++ b/src/arm/lithium-arm.h
@@ -119,7 +119,6 @@ class LCodeGen;
   V(IsUndetectableAndBranch)                    \
   V(Label)                                      \
   V(LazyBailout)                                \
-  V(LinkObjectInList)                           \
   V(LoadContextSlot)                            \
   V(LoadExternalArrayPointer)                   \
   V(LoadFieldByIndex)                           \
@@ -1676,23 +1675,6 @@ class LStoreGlobalGeneric: public LTemplateInstruction<0, 2, 0> {
 };
 
 
-class LLinkObjectInList: public LTemplateInstruction<0, 1, 0> {
- public:
-  explicit LLinkObjectInList(LOperand* object) {
-    inputs_[0] = object;
-  }
-
-  LOperand* object() { return inputs_[0]; }
-
-  ExternalReference GetReference(Isolate* isolate);
-
-  DECLARE_CONCRETE_INSTRUCTION(LinkObjectInList, "link-object-in-list")
-  DECLARE_HYDROGEN_ACCESSOR(LinkObjectInList)
-
-  virtual void PrintDataTo(StringStream* stream);
-};
-
-
 class LLoadContextSlot: public LTemplateInstruction<1, 1, 0> {
  public:
   explicit LLoadContextSlot(LOperand* context) {