Implement Object.prototype.hasOwnProperty in generated code.

src/hydrogen.cc

Index: src/hydrogen.cc
diff --git a/src/hydrogen.cc b/src/hydrogen.cc
index 887ba7360282c7f2d39904ff150b240c4a5001af..25ba4f84fd156289eb9c16e17bb76a272343fcae 100644
--- a/src/hydrogen.cc
+++ b/src/hydrogen.cc
@@ -6143,6 +6143,17 @@ void HGraphBuilder::GenerateMathSqrt(CallRuntime* call) {
 }
 
 
+void HGraphBuilder::GenerateHasOwnProperty(CallRuntime* call) {
+  ASSERT_EQ(2, call->arguments()->length());
+  CHECK_ALIVE(VisitArgumentList(call->arguments()));
+  HValue* context = environment()->LookupContext();
+  HCallStub* result = new(zone()) HCallStub(

[Mads Ager (chromium), 2011/07/15 09:04:45]

I would prefer

HCallStub* result =
    new(zone()) HCallStub(context, CodeStub::HasOwnProperty, 2);

Which also fits the style in the methods above.

+      context, CodeStub::HasOwnProperty, 2);
+  Drop(2);
+  ast_context()->ReturnInstruction(result, call->id());
+}
+
+
 // Check whether two RegExps are equivalent
 void HGraphBuilder::GenerateIsRegExpEquivalent(CallRuntime* call) {
   return Bailout("inlined runtime function: IsRegExpEquivalent");