v8/test/mjsunit/regress/regress-4380.js
ishell a8a432701f [tests] Cleanup tests that use assertOptimized()/assertUnoptimized().
This CL adds --crankshaft and --no-always-opt flags to the tests that use
assertOptimized() and assertUnoptimized() respectively.

This CL also adds presubmit checks that ensure that tests have the proper
flags set.

BUG=v8:5890

Review-Url: https://codereview.chromium.org/2653753007
Cr-Commit-Position: refs/heads/master@{#42709}
2017-01-26 17:39:09 +00:00

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JavaScript

// Copyright 2015 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 --crankshaft
function bar(a) {
var x = a[0];
return x == undefined;
}
// Make the keyed load be polymorphic on holey smi and holey fast.
bar([, 2, 3]);
bar([, 'two', 'three']);
bar([, 2, 3]);
%OptimizeFunctionOnNextCall(bar);
bar([, 2, 3]);
// Verify that loading the hole doesn't cause deoptimization.
assertOptimized(bar);