Introduce IsUndefined(Isolate*) and IsTheHole(Isolate*)

src/ast/ast.cc

Index: src/ast/ast.cc
diff --git a/src/ast/ast.cc b/src/ast/ast.cc
index a3dc44085c3744d6ce394a4db9e08c04fe4d25ed..69d634b96496b4ef940f78871fdd5339e5d3c30d 100644
--- a/src/ast/ast.cc
+++ b/src/ast/ast.cc
@@ -524,7 +524,7 @@ void ArrayLiteral::BuildConstantElements(Isolate* isolate) {
     // New handle scope here, needs to be after BuildContants().
     HandleScope scope(isolate);
     Handle<Object> boilerplate_value = GetBoilerplateValue(element, isolate);
-    if (boilerplate_value->IsTheHole()) {
+    if (boilerplate_value->IsTheHole(isolate)) {
       is_holey = true;
       continue;
     }