text: // Copyright (C) 2016 the V8 project authors. All rights reserved.
  // This code is governed by the BSD license found in the LICENSE file.
  /*---
  description: Modules have distinct environment records
  esid: sec-moduledeclarationinstantiation
  info: |
      [...]
      6. Let env be NewModuleEnvironment(realm.[[GlobalEnv]]).
      7. Set module.[[Environment]] to env.
      [...]
  
      8.1.2.6 NewModuleEnvironment (E)
  
      1. Let env be a new Lexical Environment.
      [...]
  flags: [module]
  features: [generators]
  ---*/
  
  import './instn-uniq-env-rec-other_FIXTURE.js'
  var first = 1;
  let second = 2;
  const third = 3;
  class fourth {}
  function fifth() { return 'fifth'; }
  function* sixth() { return 'sixth'; }
  
  assert.sameValue(first, 1);
  assert.sameValue(second, 2);
  assert.sameValue(third, 3);
  assert.sameValue(typeof fourth, 'function', 'class declaration');
  assert.sameValue(typeof fifth, 'function', 'function declaration');
  assert.sameValue(fifth(), 'fifth');
  assert.sameValue(typeof sixth, 'function', 'generator function declaration');
  assert.sameValue(sixth().next().value, 'sixth');
  
  // Two separate mechanisms are required to ensure that no binding has been
  // created for a given identifier. A "bare" reference should produce a
  // ReferenceError for non-existent bindings and uninitialized bindings. A
  // reference through the `typeof` operator should succeed for non-existent
  // bindings and initialized bindings.  Only non-existent bindings satisfy both
  // tests.
  typeof seventh;
  assert.throws(ReferenceError, function() {
    seventh;
  });
  
  typeof eight;
  assert.throws(ReferenceError, function() {
    eighth;
  });
  
  typeof ninth;
  assert.throws(ReferenceError, function() {
    ninth;
  });
  
  typeof tenth;
  assert.throws(ReferenceError, function() {
    tenth;
  });
  
  typeof eleventh;
  assert.throws(ReferenceError, function() {
    eleventh;
  });
  
  typeof twelfth;
  assert.throws(ReferenceError, function() {
    twelfth;
  });
  