Use FullCodeGenerator::EmitGlobalVariableLoad() where possible to avoid code duplication.

src/full-codegen.cc

Index: src/full-codegen.cc
diff --git a/src/full-codegen.cc b/src/full-codegen.cc
index 03c55d118ca29114e059adfc06005b58ffa8e82a..8ca40ccacd568033cee8b9cafd8a56a055ed0485 100644
--- a/src/full-codegen.cc
+++ b/src/full-codegen.cc
@@ -214,11 +214,6 @@ void FullCodeGenerator::CallLoadIC(ContextualMode contextual_mode,
 }
 
 
-void FullCodeGenerator::CallGlobalLoadIC(Handle<String> name) {
-  return CallLoadIC(CONTEXTUAL);
-}
-
-
 void FullCodeGenerator::CallStoreIC(TypeFeedbackId id) {
   Handle<Code> ic = CodeFactory::StoreIC(isolate(), language_mode()).code();
   CallIC(ic, id);
@@ -612,6 +607,22 @@ void FullCodeGenerator::VisitArithmeticExpression(BinaryOperation* expr) {
 }
 
 
+void FullCodeGenerator::VisitForTypeofValue(Expression* expr) {
+  VariableProxy* proxy = expr->AsVariableProxy();
+  DCHECK(!context()->IsEffect());
+  DCHECK(!context()->IsTest());
+
+  if (proxy != NULL && (proxy->var()->IsUnallocatedOrGlobalSlot() ||
+                        proxy->var()->IsLookupSlot())) {
+    EmitVariableLoad(proxy, INSIDE_TYPEOF);
+    PrepareForBailout(proxy, TOS_REG);
+  } else {
+    // This expression cannot throw a reference error at the top level.
+    VisitInDuplicateContext(expr);
+  }
+}
+
+
 void FullCodeGenerator::VisitBlock(Block* stmt) {
   Comment cmnt(masm_, "[ Block");
   NestedBlock nested_block(this, stmt);