Merged r12088 into 3.8 branch.

test/cctest/test-api.cc

 // Copyright 2012 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 15930 matching lines @@
   CompileRun("throw 'exception';");
 }
 
 
 TEST(CallCompletedCallbackTwoExceptions) {
   v8::HandleScope scope;
   LocalContext env;
   v8::V8::AddCallCompletedCallback(CallCompletedCallbackException);
   CompileRun("throw 'first exception';");
 }
+
+
+THREADED_TEST(Regress137002a) {
+  i::FLAG_allow_natives_syntax = true;
+  v8::HandleScope scope;
+  LocalContext context;
+  Local<ObjectTemplate> templ = ObjectTemplate::New();
+  templ->SetAccessor(v8_str("foo"),
+                     GetterWhichReturns42,
+                     SetterWhichSetsYOnThisTo23);
+  context->Global()->Set(v8_str("obj"), templ->NewInstance());
+
+  // Turn monomorphic on slow object with native accessor, then turn
+  // polymorphic, finally optimize to create negative lookup and fail.
+  CompileRun("function f(x) { return x.foo; }"
+             "%OptimizeObjectForAddingMultipleProperties(obj, 1);"
+             "obj.__proto__ = null;"
+             "f(obj); f(obj); f({});"
+             "%OptimizeFunctionOnNextCall(f);"
+             "var result = f(obj);");
+  CHECK_EQ(42, context->Global()->Get(v8_str("result"))->Int32Value());
+}
+
+
+THREADED_TEST(Regress137002b) {
+  i::FLAG_allow_natives_syntax = true;
+  v8::HandleScope scope;
+  LocalContext context;
+  Local<ObjectTemplate> templ = ObjectTemplate::New();
+  templ->SetAccessor(v8_str("foo"),
+                     GetterWhichReturns42,
+                     SetterWhichSetsYOnThisTo23);
+  context->Global()->Set(v8_str("obj"), templ->NewInstance());
+
+  // Turn monomorphic on slow object with native accessor, then just
+  // delete the property and fail.
+  CompileRun("function f(x) { return x.foo; }"
+             "%OptimizeObjectForAddingMultipleProperties(obj, 1);"
+             "obj.__proto__ = null;"
+             "f(obj); f(obj); delete obj.foo;"
+             "var result = f(obj);");
+  CHECK(context->Global()->Get(v8_str("result"))->IsUndefined());
+}