elements_kind != GetInitialFastElementsKind()) {
possible_transitioned_maps.Add(map);
}
+ if (elements_kind == SLOPPY_ARGUMENTS_ELEMENTS) {
+ HInstruction* result = BuildKeyedGeneric(access_type, object, key, val);
+ *has_side_effects = result->HasObservableSideEffects();
+ return AddInstruction(result);
+ }
}
// Get transition target for each map (NULL == no transition).
for (int i = 0; i < maps->length(); ++i) {
--- /dev/null
+// Copyright 2014 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.
+
+// Flags: --allow-natives-syntax
+
+function load(a, i) {
+ return a[i];
+}
+
+function f2(a, b, c, d, index) {
+ return load(arguments, index);
+}
+
+f2(1, 2, 3, 4, "foo");
+f2(1, 2, 3, 4, "foo");
+load([11, 22, 33], 0);
+assertEquals(11, f2(11, 22, 33, 44, 0));
+
+%OptimizeFunctionOnNextCall(load);
+assertEquals(11, f2(11, 22, 33, 44, 0));