Do not expose termination exceptions to the Exception API.

test/cctest/test-thread-termination.cc

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 441 matching lines @@
     CompileRun(terminate_and_loop);
     CHECK(!try_catch.HasTerminated());
     CHECK_EQ(2, callback_counter);
   }
 
   // Now the previously requested terminate execution interrupt should trigger.
   CompileRun("for (var i = 0; i < 10000; i++);");
   CHECK(try_catch.HasTerminated());
   CHECK_EQ(2, callback_counter);
 }
+
+
+TEST(ErrorObjectAfterTermination) {
+  v8::Isolate* isolate = CcTest::isolate();
+  v8::HandleScope scope(isolate);
+  v8::Handle<v8::Context> context = v8::Context::New(CcTest::isolate());
+  v8::Context::Scope context_scope(context);
+  v8::V8::TerminateExecution(isolate);
+  v8::Local<v8::Value> error = v8::Exception::Error(v8_str("error"));
+  // TODO(yangguo): crbug/403509. Check for empty handle instead.
+  CHECK(error->IsUndefined());
+}