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

src/s390/interface-descriptors-s390.cc

Index: src/s390/interface-descriptors-s390.cc
diff --git a/src/s390/interface-descriptors-s390.cc b/src/s390/interface-descriptors-s390.cc
index 1194cb608c2b8abfdbe912e9611190fb41d8d266..b7b932aacc1b01d245f629790a27bc7028cc4e2d 100644
--- a/src/s390/interface-descriptors-s390.cc
+++ b/src/s390/interface-descriptors-s390.cc
@@ -54,6 +54,9 @@ const Register MathPowIntegerDescriptor::exponent() {
 const Register GrowArrayElementsDescriptor::ObjectRegister() { return r2; }
 const Register GrowArrayElementsDescriptor::KeyRegister() { return r5; }
 
+const Register HasPropertyDescriptor::ObjectRegister() { return r2; }
+const Register HasPropertyDescriptor::KeyRegister() { return r5; }
+
 void FastNewClosureDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {r4};