Implement Object.prototype.hasOwnProperty in generated code.

src/ia32/lithium-codegen-ia32.cc

Index: src/ia32/lithium-codegen-ia32.cc
diff --git a/src/ia32/lithium-codegen-ia32.cc b/src/ia32/lithium-codegen-ia32.cc
index 2f1b88e78961fc384ce3451c160357fdf764a2e1..b1b346dff6451995929cd8fbd5c7a0f08c9022b7 100644
--- a/src/ia32/lithium-codegen-ia32.cc
+++ b/src/ia32/lithium-codegen-ia32.cc
@@ -792,6 +792,11 @@ void LCodeGen::DoCallStub(LCallStub* instr) {
       CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
       break;
     }
+    case CodeStub::HasOwnProperty: {
+      HasOwnPropertyStub stub;
+      CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
+      break;
+    }
     default:
       UNREACHABLE();
   }