1 files changed, 60 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/module-code/instn-named-bndng-fun.js b/js/src/tests/test262/language/module-code/instn-named-bndng-fun.js
new file mode 100644
index 0000000000..0a92faa43b
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+++ b/js/src/tests/test262/language/module-code/instn-named-bndng-fun.js
@@ -0,0 +1,60 @@
+// |reftest| module
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: Imported binding reflects state of exported function binding
+esid: sec-moduledeclarationinstantiation
+info: |
+    [...]
+    12. For each ImportEntry Record in in module.[[ImportEntries]], do
+        a. Let importedModule be ? HostResolveImportedModule(module,
+           in.[[ModuleRequest]]).
+        b. If in.[[ImportName]] is "*", then
+           [...]
+        c. Else,
+           i. Let resolution be ?
+              importedModule.ResolveExport(in.[[ImportName]], « », « »).
+           ii. If resolution is null or resolution is "ambiguous", throw a
+               SyntaxError exception.
+           iii. Call envRec.CreateImportBinding(in.[[LocalName]],
+                resolution.[[Module]], resolution.[[BindingName]]).
+    [...]
+    16. Let lexDeclarations be the LexicallyScopedDeclarations of code.
+    17. For each element d in lexDeclarations do
+        a. For each element dn of the BoundNames of d do
+           i, If IsConstantDeclaration of d is true, then
+              1. Perform ! envRec.CreateImmutableBinding(dn, true).
+           ii. Else,
+               1. Perform ! envRec.CreateMutableBinding(dn, false).
+           iii. If d is a GeneratorDeclaration production or a
+                FunctionDeclaration production, then
+                1. Let fo be the result of performing InstantiateFunctionObject
+                   for d with argument env.
+                2. Call envRec.InitializeBinding(dn, fo).
+    [...]
+
+    8.1.1.5.5 CreateImportBinding
+
+    [...]
+    5. Create an immutable indirect binding in envRec for N that references M
+       and N2 as its target binding and record that the binding is initialized.
+    6. Return NormalCompletion(empty).
+flags: [module]
+---*/
+
+assert.sameValue(
+  f2(),
+  23,
+  'binding is initialized to function value prior to module evaluation'
+);
+
+assert.throws(TypeError, function() {
+  f2 = null;
+}, 'binding rejects assignment');
+
+assert.sameValue(f2(), 23, 'binding value is immutable');
+
+import { f as f2 } from './instn-named-bndng-fun.js';
+export function f() { return 23; }
+
+reportCompare(0, 0);