Store fast property index in stubs generated for interceptor loads

src/objects-inl.h

Index: src/objects-inl.h
===================================================================
--- src/objects-inl.h	(revision 2089)
+++ src/objects-inl.h	(working copy)
@@ -2554,6 +2554,24 @@
 }
 
 
+Smi* JSObject::InterceptorPropertyLookupHint(String* name) {
+  // TODO(antonm): do we want to do any shortcuts for global object?

[Kasper Lund, 2009/06/02 18:27:16]

do -> Do

+  if (HasFastProperties()) {
+    LookupResult lookup;
+    LocalLookupRealNamedProperty(name, &lookup);
+    if (lookup.IsValid()) {
+      if (lookup.type() == FIELD && lookup.IsCacheable()) {
+        return Smi::FromInt(lookup.GetFieldIndex());
+      }
+    } else {
+      return Smi::FromInt(kLookupInPrototype);
+    }
+  }
+
+  return Smi::FromInt(kLookupInHolder);
+}
+
+
 bool AccessorInfo::all_can_read() {
   return BooleanBit::get(flag(), kAllCanReadBit);
 }