Both HGlobalObject and HGlobalReceiver can be replaced with HLoadNamedField.

src/ia32/lithium-codegen-ia32.cc

Index: src/ia32/lithium-codegen-ia32.cc
diff --git a/src/ia32/lithium-codegen-ia32.cc b/src/ia32/lithium-codegen-ia32.cc
index f99f0f597a692fdb9bb0cfcff73744107a12324a..ef83dc9e5927b9c667023e1eafd3549e51c79483 100644
--- a/src/ia32/lithium-codegen-ia32.cc
+++ b/src/ia32/lithium-codegen-ia32.cc
@@ -3771,21 +3771,6 @@ void LCodeGen::DoDeclareGlobals(LDeclareGlobals* instr) {
 }
 
 
-void LCodeGen::DoGlobalObject(LGlobalObject* instr) {
-  Register context = ToRegister(instr->context());
-  Register result = ToRegister(instr->result());
-  __ mov(result,
-         Operand(context, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
-}
-
-
-void LCodeGen::DoGlobalReceiver(LGlobalReceiver* instr) {
-  Register global = ToRegister(instr->global());
-  Register result = ToRegister(instr->result());
-  __ mov(result, FieldOperand(global, GlobalObject::kGlobalReceiverOffset));
-}
-
-
 void LCodeGen::CallKnownFunction(Handle<JSFunction> function,
                                  int formal_parameter_count,
                                  int arity,