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// Copyright (C) 2017 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Functions named 'arguments' have legacy hoisting semantics
esid: sec-web-compat-functiondeclarationinstantiation
flags: [noStrict]
info: |
FunctionDeclarationInstantiation ( _func_, _argumentsList_ )
[...]
7. Let _parameterNames_ be the BoundNames of _formals_.
[...]
22. If argumentsObjectNeeded is true, then
f. Append "arguments" to parameterNames.
Changes to FunctionDeclarationInstantiation
[...]
ii. If replacing the |FunctionDeclaration| _f_ with a |VariableStatement| that has _F_
as a |BindingIdentifier| would not produce any Early Errors for _func_ and _F_ is
not an element of _parameterNames_, then
[...]
---*/
// Simple parameters
(function() {
assert.sameValue(arguments.toString(), "[object Arguments]");
{
assert.sameValue(arguments(), undefined);
function arguments() {}
assert.sameValue(arguments(), undefined);
}
assert.sameValue(arguments.toString(), "[object Arguments]");
}());
// Single named parameter
(function(x) {
assert.sameValue(arguments.toString(), "[object Arguments]");
{
assert.sameValue(arguments(), undefined);
function arguments() {}
assert.sameValue(arguments(), undefined);
}
assert.sameValue(arguments.toString(), "[object Arguments]");
}());
// Non-simple parameters
(function(..._) {
assert.sameValue(arguments.toString(), "[object Arguments]");
{
assert.sameValue(arguments(), undefined);
function arguments() {}
assert.sameValue(arguments(), undefined);
}
assert.sameValue(arguments.toString(), "[object Arguments]");
}());
reportCompare(0, 0);