1 files changed, 7 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug916712.js b/js/src/jit-test/tests/ion/bug916712.js
new file mode 100644
index 0000000000..b02b13ef37
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug916712.js
@@ -0,0 +1,7 @@
+var e = new Error();
+function test() {
+  var arr = new Float32Array(1);
+  for (var Number in e) {}
+  var a = arr [0];
+  switch (a) {}
+} test();