1 files changed, 12 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/bug1300517.js b/js/src/jit-test/tests/debug/bug1300517.js
new file mode 100644
index 000000000..4170d5feb
--- /dev/null
+++ b/js/src/jit-test/tests/debug/bug1300517.js
@@ -0,0 +1,12 @@
+// |jit-test| error: ReferenceError
+g = newGlobal();
+g.log *= "";
+Debugger(g).onDebuggerStatement = frame => frame.eval("log += this.Math.toString();");
+let forceException = g.eval(`
+    (class extends class {} {
+        constructor() {
+            debugger;
+        }
+    })
+`);
+new forceException;