Make the Isolate parameter mandatory for internal HandleScopes.

src/objects-printer.cc

Index: src/objects-printer.cc
diff --git a/src/objects-printer.cc b/src/objects-printer.cc
index 0acbf3a7412ce3f21f50ec460c3ba75d9947fe70..3fd4dfe4c3d5b06e203013e1458ccf4dac3df4e5 100644
--- a/src/objects-printer.cc
+++ b/src/objects-printer.cc
@@ -69,7 +69,7 @@ void HeapObject::PrintHeader(FILE* out, const char* id) {
 void HeapObject::HeapObjectPrint(FILE* out) {
   InstanceType instance_type = map()->instance_type();
 
-  HandleScope scope;
+  HandleScope scope(GetIsolate());
   if (instance_type < FIRST_NONSTRING_TYPE) {
     String::cast(this)->StringPrint(out);
     return;