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

test/unittests/interpreter/constant-array-builder-unittest.cc

Index: test/unittests/interpreter/constant-array-builder-unittest.cc
diff --git a/test/unittests/interpreter/constant-array-builder-unittest.cc b/test/unittests/interpreter/constant-array-builder-unittest.cc
index 71224370cc14fdc32fd0a1243e85e301e7f1821f..c48ac58738c18d8a1f4eb4bbdc1e1a82678c50fb 100644
--- a/test/unittests/interpreter/constant-array-builder-unittest.cc
+++ b/test/unittests/interpreter/constant-array-builder-unittest.cc
@@ -89,7 +89,7 @@ TEST_F(ConstantArrayBuilderTest, AllocateEntriesWithIdx8Reservations) {
     }
     for (size_t i = 0; i < reserved; i++) {
       size_t index = k8BitCapacity - reserved + i;
-      CHECK(builder.At(index)->IsTheHole());
+      CHECK(builder.At(index)->IsTheHole(isolate()));
     }
 
     // Now make reservations, and commit them with unique entries.