1 files changed, 10 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/bug980585.js b/js/src/jit-test/tests/debug/bug980585.js
new file mode 100644
index 0000000000..30d8c44e52
--- /dev/null
+++ b/js/src/jit-test/tests/debug/bug980585.js
@@ -0,0 +1,10 @@
+var g = newGlobal({newCompartment: true});
+var dbg = new Debugger(g);
+
+try {
+  g.eval("function f() { [1].map(function () {}); const x = 42; x = 43; } f();");
+} catch (e) {
+  // Ignore the syntax error.
+}
+
+dbg.findScripts();