Revert "Add hydrogen support for ArrayPop, and remove the handwritten call stubs."

src/hydrogen.cc

Index: src/hydrogen.cc
diff --git a/src/hydrogen.cc b/src/hydrogen.cc
index 8980087309941c8c26c619fceb3bba86bd0792bf..07803854d91ff3ec814d63a9559445b3ba203007 100644
--- a/src/hydrogen.cc
+++ b/src/hydrogen.cc
@@ -7613,53 +7613,6 @@ bool HOptimizedGraphBuilder::TryInlineBuiltinMethodCall(
         return true;
       }
       break;
-    case kArrayPop: {
-      if (!expr->IsMonomorphic() || expr->check_type() != RECEIVER_MAP_CHECK) {
-        return false;
-      }
-      if (receiver_map->instance_type() != JS_ARRAY_TYPE) return false;
-      ElementsKind elements_kind = receiver_map->elements_kind();
-      if (!IsFastElementsKind(elements_kind)) return false;
-      AddCheckConstantFunction(expr->holder(), receiver, receiver_map);
-
-      Drop(expr->arguments()->length());
-      HValue* result;
-      HValue* checked_object;
-      HValue* reduced_length;
-      HValue* receiver = Pop();
-      { NoObservableSideEffectsScope scope(this);
-        checked_object = AddCheckMap(receiver, receiver_map);
-        HValue* elements = AddLoadElements(checked_object);
-        // Ensure that we aren't popping from a copy-on-write array.
-        if (IsFastSmiOrObjectElementsKind(elements_kind)) {
-          Add<HCheckMaps>(
-              elements, isolate()->factory()->fixed_array_map(), top_info());
-        }
-        HValue* length = Add<HLoadNamedField>(
-            checked_object, HObjectAccess::ForArrayLength(elements_kind));
-        reduced_length = AddUncasted<HSub>(length, graph()->GetConstant1());
-        HValue* bounds_check = Add<HBoundsCheck>(
-            graph()->GetConstant0(), length);
-        result = AddElementAccess(elements, reduced_length, NULL,
-                                  bounds_check, elements_kind, false);
-        Factory* factory = isolate()->factory();
-        double nan_double = FixedDoubleArray::hole_nan_as_double();
-        HValue* hole = IsFastSmiOrObjectElementsKind(elements_kind)
-            ? Add<HConstant>(factory->the_hole_value())
-            : Add<HConstant>(nan_double);
-        if (IsFastSmiOrObjectElementsKind(elements_kind)) {
-          elements_kind = FAST_HOLEY_ELEMENTS;
-        }
-        AddElementAccess(
-            elements, reduced_length, hole, bounds_check, elements_kind, true);
-      }
-      Add<HStoreNamedField>(
-          checked_object, HObjectAccess::ForArrayLength(elements_kind),
-          reduced_length);
-      Add<HSimulate>(expr->id(), REMOVABLE_SIMULATE);
-      ast_context()->ReturnValue(result);
-      return true;
-    }
     default:
       // Not yet supported for inlining.
       break;