Added tests for issue 618

test/cctest/test-api.cc

Index: test/cctest/test-api.cc
===================================================================
--- test/cctest/test-api.cc	(revision 4011)
+++ test/cctest/test-api.cc	(working copy)
@@ -9911,3 +9911,47 @@
     CHECK_EQ(42, c2->Get(v8_str("y"))->Int32Value());
   }
 }
+
+
+TEST(Bug618) {
+  const char* source = "function C1() {"
+                       "  this.x = 23;"
+                       "};"
+                       "C1.prototype = P;";
+
+  v8::HandleScope scope;
+  LocalContext context;
+  v8::Local<v8::Script> script;
+
+  // Use a simple object as prototype.
+  v8::Local<v8::Object> prototype = v8::Object::New();
+  prototype->Set(v8_str("y"), v8_num(42));
+  context->Global()->Set(v8_str("P"), prototype);
+
+  // This compile will add the code to the compilation cache.
+  CompileRun(source);
+
+  script = v8::Script::Compile(v8_str("new C1();"));
+  for (int i = 0; i < 10; i++) {
+    v8::Handle<v8::Object> c1 = v8::Handle<v8::Object>::Cast(script->Run());
+    CHECK_EQ(23, c1->Get(v8_str("x"))->Int32Value());
+    CHECK_EQ(42, c1->Get(v8_str("y"))->Int32Value());
+  }
+
+  // Use an API object with accessors as prototype.
+  Local<ObjectTemplate> templ = ObjectTemplate::New();
+  templ->SetAccessor(v8_str("x"),
+                     GetterWhichReturns42,
+                     SetterWhichSetsYOnThisTo23);
+  context->Global()->Set(v8_str("P"), templ->NewInstance());
+
+  // This compile will get the code from the compilation cache.
+  CompileRun(source);
+
+  script = v8::Script::Compile(v8_str("new C1();"));
+  for (int i = 0; i < 10; i++) {
+    v8::Handle<v8::Object> c1 = v8::Handle<v8::Object>::Cast(script->Run());
+    CHECK_EQ(42, c1->Get(v8_str("x"))->Int32Value());
+    CHECK_EQ(23, c1->Get(v8_str("y"))->Int32Value());
+  }
+}