1 files changed, 8 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug720169.js b/js/src/jit-test/tests/ion/bug720169.js
new file mode 100644
index 0000000000..5d80a9a146
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug720169.js
@@ -0,0 +1,8 @@
+function foo() {
+  var x = 0;
+  var y = 0;
+  while (x++ < 100)
+    y++;
+  assertEq(y, 100);
+}
+foo();