Add HasProperty code stub that tries simple lookups or jumps to runtime otherwise.

src/x64/interface-descriptors-x64.cc

Index: src/x64/interface-descriptors-x64.cc
diff --git a/src/x64/interface-descriptors-x64.cc b/src/x64/interface-descriptors-x64.cc
index b611c896d3c7cd2054b45d6b3d7e82ad753448f7..3a5b449d7906da64c8d5036f758e016b9b54d45b 100644
--- a/src/x64/interface-descriptors-x64.cc
+++ b/src/x64/interface-descriptors-x64.cc
@@ -67,6 +67,8 @@ const Register MathPowIntegerDescriptor::exponent() {
 const Register GrowArrayElementsDescriptor::ObjectRegister() { return rax; }
 const Register GrowArrayElementsDescriptor::KeyRegister() { return rbx; }
 
+const Register HasPropertyDescriptor::ObjectRegister() { return rax; }
+const Register HasPropertyDescriptor::KeyRegister() { return rbx; }
 
 void FastNewClosureDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {