1 files changed, 7 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/testBug648438.js b/js/src/jit-test/tests/basic/testBug648438.js
new file mode 100644
index 000000000..9bdfc0fbd
--- /dev/null
+++ b/js/src/jit-test/tests/basic/testBug648438.js
@@ -0,0 +1,7 @@
+for (var i = 0; i < 20; i++) {
+    (function () {
+        try {
+            JSON.parse();
+        } catch (e) {}
+    }).call();
+}