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// Copyright 2016 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 --no-analyze-environment-liveness
// Test that debug-evaluate correctly collects free outer variables
// and does not get confused by variables in nested scopes.
Debug = debug.Debug
var exception = null;
function listener(event, exec_state, event_data, data) {
if (event != Debug.DebugEvent.Break) return;
try {
assertThrows(() => exec_state.frame(0).evaluate("x").value());
} catch (e) {
exception = e;
print(e + e.stack);
}
}
Debug.setListener(listener);
(function() {
var x = 1; // context allocate x
(() => x);
(function() {
var x = 2; // stack allocate shadowing x
(function() {
{ // context allocate x in a nested scope
let x = 3;
(() => x);
}
debugger;
})();
})();
})();
Debug.setListener(null);
assertNull(exception);