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 0b887a29af3fe9088b89dc0d2bf9b663b3d7ef63..d3f5ed637b437676bfc86dd540faa4ac27dc06ad 100644
--- a/src/x64/interface-descriptors-x64.cc
+++ b/src/x64/interface-descriptors-x64.cc
@@ -68,6 +68,8 @@ 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) {