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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
desc: >
Extension is observed when creation of variable binding would not produce an
early error (try statement)
template: global
info: |
B.3.3.2 Changes to GlobalDeclarationInstantiation
[...]
b. If replacing the FunctionDeclaration f with a VariableStatement that has
F as a BindingIdentifier would not produce any Early Errors for script,
then
[...]
B.3.5 VariableStatements in Catch Blocks
[...]
- It is a Syntax Error if any element of the BoundNames of CatchParameter
also occurs in the VarDeclaredNames of Block unless CatchParameter is
CatchParameter:BindingIdentifier and that element is only bound by a
VariableStatement, the VariableDeclarationList of a for statement, or the
ForBinding of a for-in statement.
---*/
//- setup
assert.sameValue(
f, undefined, 'Initialized binding created prior to evaluation'
);
try {
throw null;
} catch (f) {
//- body
return 123;
//- teardown
}
assert.sameValue(
typeof f,
'function',
'binding value is updated following evaluation'
);
assert.sameValue(f(), 123);
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