follow up named interceptor miss with api callback getter

src/ic/handler-compiler.cc

Index: src/ic/handler-compiler.cc
diff --git a/src/ic/handler-compiler.cc b/src/ic/handler-compiler.cc
index 3af36fac203974c572d55d2a317b8168892037b3..bc80b4372f49ae0e9b8c9bcdecf95720d4550fb8 100644
--- a/src/ic/handler-compiler.cc
+++ b/src/ic/handler-compiler.cc
@@ -289,13 +289,23 @@ Handle<Code> NamedLoadHandlerCompiler::CompileLoadInterceptor(
       break;
     case LookupIterator::ACCESSOR: {
       Handle<Object> accessors = it->GetAccessors();
-      inline_followup = accessors->IsExecutableAccessorInfo();
-      if (!inline_followup) break;
-      Handle<ExecutableAccessorInfo> info =
-          Handle<ExecutableAccessorInfo>::cast(accessors);
-      inline_followup = info->getter() != NULL &&
-                        ExecutableAccessorInfo::IsCompatibleReceiverType(
-                            isolate(), info, type());
+      if (accessors->IsExecutableAccessorInfo()) {
+        Handle<ExecutableAccessorInfo> info =
+            Handle<ExecutableAccessorInfo>::cast(accessors);
+        inline_followup = info->getter() != NULL &&
+                          ExecutableAccessorInfo::IsCompatibleReceiverType(
+                              isolate(), info, type());
+      } else if (accessors->IsAccessorPair()) {
+        Handle<Object> getter(Handle<AccessorPair>::cast(accessors)->getter(),
+                              isolate());
+        if (!getter->IsJSFunction()) break;
+        if (!holder()->HasFastProperties()) break;

[Toon Verwaest, 2015/02/02 12:40:55]

it->GetHolder<JSObject>

+        auto function = Handle<JSFunction>::cast(getter);
+        CallOptimization call_optimization(function);
+        inline_followup =
+            call_optimization.is_simple_api_call() &&
+            call_optimization.IsCompatibleReceiver(type(), holder());

[Toon Verwaest, 2015/02/02 12:40:55]

Same here.

+      }
     }
   }
 
@@ -345,10 +355,20 @@ void NamedLoadHandlerCompiler::GenerateLoadPostInterceptor(
       break;
     }
     case LookupIterator::ACCESSOR:
-      Handle<ExecutableAccessorInfo> info =
-          Handle<ExecutableAccessorInfo>::cast(it->GetAccessors());
-      DCHECK_NOT_NULL(info->getter());
-      GenerateLoadCallback(reg, info);
+      if (it->GetAccessors()->IsExecutableAccessorInfo()) {
+        Handle<ExecutableAccessorInfo> info =
+            Handle<ExecutableAccessorInfo>::cast(it->GetAccessors());
+        DCHECK_NOT_NULL(info->getter());
+        GenerateLoadCallback(reg, info);
+      } else {
+        auto function = handle(JSFunction::cast(
+            AccessorPair::cast(*it->GetAccessors())->getter()));
+        CallOptimization call_optimization(function);
+        Handle<Map> receiver_map = IC::TypeToMap(*type(), isolate());
+        GenerateApiAccessorCall(masm(), call_optimization, receiver_map,
+                                receiver(), scratch2(), false, no_reg, reg,
+                                it->GetAccessorIndex());
+      }
   }
 }