1 files changed, 90 insertions, 0 deletions
diff --git a/js/src/tests/non262/generators/regress-345855.js b/js/src/tests/non262/generators/regress-345855.js
new file mode 100644
index 0000000000..682848f6be
--- /dev/null
+++ b/js/src/tests/non262/generators/regress-345855.js
@@ -0,0 +1,90 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 345855;
+var summary = 'Blank yield expressions are not syntax errors';
+var actual = '';
+var expect = 'No Error';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  expect = "SyntaxError";
+  try
+  {
+    eval('(function*() {x = 12 + yield;})');
+    actual = 'No Error';
+  }
+  catch(ex)
+  {
+    actual = ex.name;
+  }
+  reportCompare(expect, actual, summary + ': function*() {x = 12 + yield;}');
+
+  expect = "SyntaxError";
+  try
+  {
+    eval('(function*() {x = 12 + yield 42})');
+    actual = 'No Error';
+  }
+  catch(ex)
+  {
+    actual = ex.name;
+  }
+  reportCompare(expect, actual, summary + ': function*() {x = 12 + yield 42}');
+
+  expect = 'No Error';
+  try
+  {
+    eval('(function*() {x = 12 + (yield);})');
+    actual = 'No Error';
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+  reportCompare(expect, actual, summary + ': function*() {x = 12 + (yield);}');
+
+  try
+  {
+    eval('(function* () {foo((yield))})');
+    actual = 'No Error';
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+  reportCompare(expect, actual, summary + ': function* () {foo((yield))}');
+
+  try
+  {
+    eval('(function*() {x = 12 + (yield 42)})');
+    actual = 'No Error';
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+  reportCompare(expect, actual, summary + ': function*() {x = 12 + (yield 42)}');
+
+  try
+  {
+    eval('(function* (){foo((yield 42))})');
+    actual = 'No Error';
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+  reportCompare(expect, actual, summary + ': function* (){foo((yield 42))}');
+}