1 files changed, 9 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/testDontClobberScannerError.js b/js/src/jit-test/tests/basic/testDontClobberScannerError.js
new file mode 100644
index 000000000..a1ee58163
--- /dev/null
+++ b/js/src/jit-test/tests/basic/testDontClobberScannerError.js
@@ -0,0 +1,9 @@
+var caught = false;
+try {
+    Function("a, @", "");
+} catch(e) {
+    assertEq(e.toString().search("SyntaxError: malformed formal parameter") == -1, true);
+    assertEq(e.toString().search("SyntaxError: illegal character")          == -1, false);
+    caught = true;
+}
+assertEq(caught, true);