Push stacktrace and die if the receiver is of unknown type.

src/isolate.h

Index: src/isolate.h
diff --git a/src/isolate.h b/src/isolate.h
index 93b9fb3361dacec621b96b9912b9bb66b4c8a008..1d7bc6fc6db219f98168786cad9e38edc133c51e 100644
--- a/src/isolate.h
+++ b/src/isolate.h
@@ -707,6 +707,10 @@ class Isolate {
   void PrintStack(StringStream* accumulator);
   void PrintStack();
   Handle<String> StackTraceString();
+  NO_INLINE(void PushStackTraceAndDie(unsigned int magic,
+                                      Object* object,
+                                      Map* map,
+                                      unsigned int magic2));
   Handle<JSArray> CaptureCurrentStackTrace(
       int frame_limit,
       StackTrace::StackTraceOptions options);