- Add a class index to the classes.

vm/dart_api_impl.cc

Index: vm/dart_api_impl.cc
===================================================================
--- vm/dart_api_impl.cc	(revision 6994)
+++ vm/dart_api_impl.cc	(working copy)
@@ -14,6 +14,7 @@
 #include "vm/dart_entry.h"
 #include "vm/debuginfo.h"
 #include "vm/exceptions.h"
+#include "vm/flags.h"
 #include "vm/growable_array.h"
 #include "vm/message.h"
 #include "vm/native_entry.h"
@@ -28,6 +29,8 @@
 
 namespace dart {
 
+DECLARE_FLAG(bool, print_class_table);
+
 ThreadLocalKey Api::api_native_key_ = Thread::kUnsetThreadLocalKey;
 
 const char* CanonicalFunction(const char* func) {
@@ -808,6 +811,9 @@
     return Api::NewHandle(isolate, obj.raw());
   }
   ASSERT(obj.IsNull());
+  if (FLAG_print_class_table) {
+    isolate->class_table()->Print();
+  }
   return Api::Success(isolate);
 }