Remove old-style accessor support from runtime.

src/ic.cc

Index: src/ic.cc
diff --git a/src/ic.cc b/src/ic.cc
index 09444b337aba82437c5c4b80ea8b37fd7ad0ab7c..f02a704609e23d46db2e58a8b55d1ddc61a81d66 100644
--- a/src/ic.cc
+++ b/src/ic.cc
@@ -1032,8 +1032,7 @@ Handle<Code> LoadIC::CompileHandler(LookupResult* lookup,
       }
       // TODO(dcarney): Handle correctly.
       if (callback->IsDeclaredAccessorInfo()) break;
-      ASSERT(callback->IsForeign());
-      // No IC support for old-style native accessors.
+      UNREACHABLE();

[Yang, 2014/04/29 10:43:12]

We could also just ASSERT(callback->IsDeclaredAccessorInfo())

       break;
     }
     case INTERCEPTOR:
@@ -1457,19 +1456,7 @@ Handle<Code> StoreIC::CompileHandler(LookupResult* lookup,
         }
         // TODO(dcarney): Handle correctly.
         if (callback->IsDeclaredAccessorInfo()) break;
-        ASSERT(callback->IsForeign());
-
-        // Use specialized code for setting the length of arrays with fast
-        // properties. Slow properties might indicate redefinition of the length
-        // property.
-        if (receiver->IsJSArray() &&
-            String::Equals(isolate()->factory()->length_string(), name) &&
-            Handle<JSArray>::cast(receiver)->AllowsSetElementsLength() &&
-            receiver->HasFastProperties()) {
-          return compiler.CompileStoreArrayLength(receiver, lookup, name);
-        }
-
-        // No IC support for old-style native accessors.
+        UNREACHABLE();

[Yang, 2014/04/29 10:43:12]

Ditto.

         break;
       }
       case INTERCEPTOR: