1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/elements/fields-asi-5.js b/js/src/tests/test262/language/statements/class/elements/fields-asi-5.js
new file mode 100644
index 0000000000..55ab32690f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/fields-asi-5.js
@@ -0,0 +1,30 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: ASI test in field declarations -- field with PropertyName "in" interpreted as index
+esid: sec-automatic-semicolon-insertion
+features: [class, class-fields-public]
+---*/
+
+var x = 0;
+var y = 1;
+var z = [42];
+
+class C {
+  a = x
+  in
+  z
+  b = y
+  in
+  z
+}
+
+var c = new C();
+
+assert.sameValue(c.a, true, 'a = x in z');
+assert.sameValue(c.b, false, 'b = y in z');
+assert(!Object.prototype.hasOwnProperty.call(c, "in"), "'in' is not parsed as a field declaration");
+assert(!Object.prototype.hasOwnProperty.call(c, "z"), "'z' is not parsed as a field declaration");
+
+reportCompare(0, 0);