1 files changed, 11 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug875804.js b/js/src/jit-test/tests/ion/bug875804.js
new file mode 100644
index 000000000..77bfdba5c
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug875804.js
@@ -0,0 +1,11 @@
+
+eval('(function () {\
+function range(n) {\
+  for (var i = 0; i < 5000; i++)\
+    yield i;\
+}\
+var r = range(10);\
+var i = 0;\
+for (var x in r)\
+  assertEq(x,i++);\
+' + '})();');