1 files changed, 10 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug872331.js b/js/src/jit-test/tests/ion/bug872331.js
new file mode 100644
index 0000000000..fe32ea2220
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug872331.js
@@ -0,0 +1,10 @@
+
+function d(t) {
+  if (t >= undefined) {}
+}
+function s() {
+  d(null);
+}
+d(3);
+s();
+s();