Version 3.30.33.14 (cherry-pick)

test/mjsunit/array-shift4.js

Index: test/mjsunit/array-shift4.js
diff --git a/test/mjsunit/array-shift4.js b/test/mjsunit/array-shift4.js
new file mode 100644
index 0000000000000000000000000000000000000000..669b11a05436431d8b21c4a6dfbae948d912245c
--- /dev/null
+++ b/test/mjsunit/array-shift4.js
@@ -0,0 +1,24 @@
+// 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
+
+// Inlining shift with holey smi arrays shouldn't deopt just because it
+// encounters the hole on the copy step.
+function doShift(a) {
+  var x = a.shift();
+  return x;
+}
+
+function makeArray() {
+  var a = [1, 2,, 3];
+  a[0] = 2;
+  return a;
+}
+
+doShift(makeArray());
+doShift(makeArray());
+%OptimizeFunctionOnNextCall(doShift);
+doShift(makeArray());
+assertOptimized(doShift);