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

src/arm/interface-descriptors-arm.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/arm/interface-descriptors-arm.h"
 
 #if V8_TARGET_ARCH_ARM
 
 #include "src/interface-descriptors.h"
 
@@ skipping 52 matching lines @@
 
 
 const Register MathPowIntegerDescriptor::exponent() {
   return MathPowTaggedDescriptor::exponent();
 }
 
 
 const Register GrowArrayElementsDescriptor::ObjectRegister() { return r0; }
 const Register GrowArrayElementsDescriptor::KeyRegister() { return r3; }
 
+const Register HasPropertyDescriptor::ObjectRegister() { return r0; }

[Toon Verwaest, 2016/04/20 10:00:04]

We're probably at the point where we should just have a generic descriptor that
can give you up to, say 3, registers to use for a descriptor. That way we don't
always need to make these descriptors platform specific. You're likely not
choosing based on a careful profile ;) (Different CL, just an observation)

[Igor Sheludko, 2016/04/20 13:14:56]

Good idea!

+const Register HasPropertyDescriptor::KeyRegister() { return r3; }
 
 void FastNewClosureDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {r2};
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
 
 void FastNewContextDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
@@ skipping 368 matching lines @@
       r1,  // the typedarray object
       r0   // the index to load (untagged)
   };
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM