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

src/compiler/js-graph.cc

Index: src/compiler/js-graph.cc
diff --git a/src/compiler/js-graph.cc b/src/compiler/js-graph.cc
index e91e62efd385628125f1e572933a6ee8ab41ae21..5d3c220ab20210461788fd76d03a74ab7e68e45d 100644
--- a/src/compiler/js-graph.cc
+++ b/src/compiler/js-graph.cc
@@ -113,7 +113,7 @@ Node* JSGraph::Constant(Handle<Object> value) {
   // canonicalized node can be used.
   if (value->IsNumber()) {
     return Constant(value->Number());
-  } else if (value->IsUndefined()) {
+  } else if (value->IsUndefined(isolate())) {
     return UndefinedConstant();
   } else if (value->IsTrue()) {
     return TrueConstant();
@@ -121,7 +121,7 @@ Node* JSGraph::Constant(Handle<Object> value) {
     return FalseConstant();
   } else if (value->IsNull()) {
     return NullConstant();
-  } else if (value->IsTheHole()) {
+  } else if (value->IsTheHole(isolate())) {
     return TheHoleConstant();
   } else {
     return HeapConstant(Handle<HeapObject>::cast(value));