Get rid of HLinkObjectInList.

src/arm/lithium-codegen-arm.cc

Index: src/arm/lithium-codegen-arm.cc
diff --git a/src/arm/lithium-codegen-arm.cc b/src/arm/lithium-codegen-arm.cc
index c8545e873c2ac50f6e0c0395e4321e84725c19eb..974bcccb11646d8ec8a0ea4db4494a5b374802fe 100644
--- a/src/arm/lithium-codegen-arm.cc
+++ b/src/arm/lithium-codegen-arm.cc
@@ -2938,19 +2938,6 @@ void LCodeGen::DoStoreGlobalGeneric(LStoreGlobalGeneric* instr) {
 }
 
 
-void LCodeGen::DoLinkObjectInList(LLinkObjectInList* instr) {
-  Register object = ToRegister(instr->object());
-  ExternalReference sites_list_address = instr->GetReference(isolate());
-
-  __ mov(ip, Operand(sites_list_address));
-  __ ldr(ip, MemOperand(ip));
-  __ str(ip, FieldMemOperand(object,
-                             instr->hydrogen()->store_field().offset()));
-  __ mov(ip, Operand(sites_list_address));
-  __ str(object, MemOperand(ip));
-}
-
-
 void LCodeGen::DoLoadContextSlot(LLoadContextSlot* instr) {
   Register context = ToRegister(instr->context());
   Register result = ToRegister(instr->result());