1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/module-code/instn-star-ambiguous.js b/js/src/tests/test262/language/module-code/instn-star-ambiguous.js
new file mode 100644
index 0000000000..92d8ccf850
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+++ b/js/src/tests/test262/language/module-code/instn-star-ambiguous.js
@@ -0,0 +1,38 @@
+// |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: >
+    Ambiguous exports are not reflected in module namespace objects, nor do
+    they trigger an error upon resolution
+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
+           i. Let namespace be ? GetModuleNamespace(importedModule).
+    [...]
+
+    15.2.1.18 Runtime Semantics: GetModuleNamespace
+
+    [...]
+    3. If namespace is undefined, then
+       [...]
+       c. For each name that is an element of exportedNames,
+          i. Let resolution be ? module.ResolveExport(name, « », « »).
+          ii. If resolution is null, throw a SyntaxError exception.
+          iii. If resolution is not "ambiguous", append name to
+               unambiguousNames.
+       d. Let namespace be ModuleNamespaceCreate(module, unambiguousNames).
+flags: [module]
+---*/
+
+import * as ns from './instn-star-ambiguous_FIXTURE.js';
+
+assert('first' in ns, 'Non-ambiguous exports from first module are present');
+assert('second' in ns, 'Non-ambiguous exports from second module are present');
+assert.sameValue('both' in ns, false, 'Ambiguous export is not present');
+
+reportCompare(0, 0);