1 files changed, 8 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/testBug555484.js b/js/src/jit-test/tests/basic/testBug555484.js
new file mode 100644
index 0000000000..f15f2b268a
--- /dev/null
+++ b/js/src/jit-test/tests/basic/testBug555484.js
@@ -0,0 +1,8 @@
+var result = "";
+o = { valueOf:function(){ throw "cow" } };
+try {
+    String.fromCharCode(o);
+} catch (e) {
+    result = e.toString();
+}
+assertEq(result, "cow");