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 9f24f5761be45c74c1535879592e8e9e5a11ec50..25c9458c179f36fd60b255cfeb5dfd1666d8dc5c 100644
--- a/src/s390/interface-descriptors-s390.cc
+++ b/src/s390/interface-descriptors-s390.cc
@@ -53,6 +53,9 @@ 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};