Both HGlobalObject and HGlobalReceiver can be replaced with HLoadNamedField.

src/ia32/lithium-ia32.h

Index: src/ia32/lithium-ia32.h
diff --git a/src/ia32/lithium-ia32.h b/src/ia32/lithium-ia32.h
index e222ad433faa6849b24319de94da2febf6e09b6a..0ccc1757207a1a821460be156b6b254976d47e31 100644
--- a/src/ia32/lithium-ia32.h
+++ b/src/ia32/lithium-ia32.h
@@ -98,8 +98,6 @@ class LCodeGen;
   V(ForInPrepareMap)                            \
   V(FunctionLiteral)                            \
   V(GetCachedArrayIndex)                        \
-  V(GlobalObject)                               \
-  V(GlobalReceiver)                             \
   V(Goto)                                       \
   V(HasCachedArrayIndexAndBranch)               \
   V(HasInstanceTypeAndBranch)                   \
@@ -1790,30 +1788,6 @@ class LDeclareGlobals V8_FINAL : public LTemplateInstruction<0, 1, 0> {
 };
 
 
-class LGlobalObject V8_FINAL : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LGlobalObject(LOperand* context) {
-    inputs_[0] = context;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(GlobalObject, "global-object")
-};
-
-
-class LGlobalReceiver V8_FINAL : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LGlobalReceiver(LOperand* global_object) {
-    inputs_[0] = global_object;
-  }
-
-  LOperand* global() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(GlobalReceiver, "global-receiver")
-};
-
-
 class LCallJSFunction V8_FINAL : public LTemplateInstruction<1, 1, 0> {
  public:
   explicit LCallJSFunction(LOperand* function) {