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// Copyright (C) 2017 Rick Waldron. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-function-definitions-runtime-semantics-iteratorbindinginitialization
description: A new declarative environment is created, from the originalEnv, for each parameter.
info: |
Runtime Semantics: IteratorBindingInitialization
FormalParameter : BindingElement
...
6. Let paramVarEnv be NewDeclarativeEnvironment(originalEnv).
...
features: [arrow-function, default-parameters]
---*/
var y;
function f(a = eval("var x = 1; y = 42; x"), b = x) {}
assert.throws(ReferenceError, () => {
f();
});
assert.sameValue(y, 42);
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