1 files changed, 9 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/cacheir/bug1439180.js b/js/src/jit-test/tests/cacheir/bug1439180.js
new file mode 100644
index 0000000000..90d77f3204
--- /dev/null
+++ b/js/src/jit-test/tests/cacheir/bug1439180.js
@@ -0,0 +1,9 @@
+h = function f(x) {
+        x = +"NaN";
+        return /I/ (~x);
+    }
+for (var j = 0; j < 3; j++) {
+    try {
+        h();
+    } catch (e) {}
+}