v8/test/mjsunit/regress/regress-4309-3.js

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// 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: --expose-debug-as debug --allow-natives-syntax
var Debug = debug.Debug;
var exception = null;
function listener(event, exec_state, event_data, data) {
if (event != Debug.DebugEvent.Break) return;
try {
var scopes = exec_state.frame().allScopes();
assertEquals(4, scopes.length);
assertEquals(debug.ScopeType.With, scopes[0].scopeType());
assertEquals(debug.ScopeType.Local, scopes[1].scopeType());
assertEquals(debug.ScopeType.Script, scopes[2].scopeType());
assertEquals(debug.ScopeType.Global, scopes[3].scopeType());
} catch (e) {
exception = e;
}
}
function f() {
with({}) {
debugger;
}
}
f();
f();
%OptimizeFunctionOnNextCall(f);
Debug.setListener(listener);
f();
assertNull(exception);