// 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-switch-statement-runtime-semantics-evaluation description: Creation of new lexical environment (into `default` clause) info: | 1. Let exprRef be the result of evaluating Expression. 2. Let switchValue be ? GetValue(exprRef). 3. Let oldEnv be the running execution context's LexicalEnvironment. 4. Let blockEnv be NewDeclarativeEnvironment(oldEnv). 5. Perform BlockDeclarationInstantiation(CaseBlock, blockEnv). 6. Set the running execution context's LexicalEnvironment to blockEnv. 7. Let R be the result of performing CaseBlockEvaluation of CaseBlock with argument switchValue. [...] features: [let] ---*/ let x = 'outside'; var probeExpr, probeStmt; switch (probeExpr = function() { return x; }) { default: probeStmt = function() { return x; }; let x = 'inside'; } assert.sameValue(probeExpr(), 'outside'); assert.sameValue(probeStmt(), 'inside');