diff --git a/src/ast.cc b/src/ast.cc
index 8a2889917b..0d667cc168 100644
--- a/src/ast.cc
+++ b/src/ast.cc
@@ -441,8 +441,7 @@ void Property::RecordTypeFeedback(TypeFeedbackOracle* oracle,
   } else if (oracle->LoadIsBuiltin(this, Builtins::kKeyedLoadIC_String)) {
     is_string_access_ = true;
   } else if (is_monomorphic_) {
-    receiver_types_.Add(oracle->LoadMonomorphicReceiverType(this),
-                        zone);
+    receiver_types_.Add(oracle->LoadMonomorphicReceiverType(this), zone);
   } else if (oracle->LoadIsPolymorphic(this)) {
     receiver_types_.Reserve(kMaxKeyedPolymorphism, zone);
     oracle->CollectKeyedReceiverTypes(PropertyFeedbackId(), &receiver_types_);
diff --git a/src/ast.h b/src/ast.h
index 44c256007d..4b2010f077 100644
--- a/src/ast.h
+++ b/src/ast.h
@@ -2029,7 +2029,7 @@ class CompareOperation V8_FINAL : public Expression {
         op_(op),
         left_(left),
         right_(right),
-        combined_type_(Type::Null(), isolate) {
+        combined_type_(Type::None(), isolate) {
     ASSERT(Token::IsCompareOp(op));
   }
 
diff --git a/src/bootstrapper.cc b/src/bootstrapper.cc
index 332131a7ca..c48385ce11 100644
--- a/src/bootstrapper.cc
+++ b/src/bootstrapper.cc
@@ -824,7 +824,7 @@ void Genesis::HookUpInnerGlobal(Handle<GlobalObject> inner_global) {
 // work in the snapshot case is done in HookUpInnerGlobal.
 void Genesis::InitializeGlobal(Handle<GlobalObject> inner_global,
                                Handle<JSFunction> empty_function) {
-  // --- G l o b a l   C o n t e x t ---
+  // --- N a t i v e   C o n t e x t ---
   // Use the empty function as closure (no scope info).
   native_context()->set_closure(*empty_function);
   native_context()->set_previous(NULL);