// Copyright (C) 2016 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation description: > Removal of lexical environment for the initial evaluation of the statement body info: | IterationStatement : for ( ForDeclaration of AssignmentExpression ) Statement [...] 2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult, lexicalBinding, labelSet). 13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation [...] 5. Repeat [...] i. Let result be the result of evaluating stmt. j. Set the running execution context's LexicalEnvironment to oldEnv. k. If LoopContinues(result, labelSet) is false, return ? IteratorClose(iterator, UpdateEmpty(result, V)). l. If result.[[Value]] is not empty, let V be result.[[Value]]. features: [let] ---*/ let x = 'outside'; var probeDecl, probeBody; for ( let [x, _ = probeDecl = function() { return x; }] of [['inside']] ) probeBody = function() { return x; }; assert.sameValue(probeDecl(), 'inside', 'reference from ForDeclaration'); assert.sameValue(probeBody(), 'inside', 'reference from statement body'); assert.sameValue(x, 'outside'); reportCompare(0, 0);