1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/class-05.js b/js/src/jit-test/tests/debug/class-05.js
new file mode 100644
index 0000000000..4af7c23f83
--- /dev/null
+++ b/js/src/jit-test/tests/debug/class-05.js
@@ -0,0 +1,31 @@
+// |jit-test| error: TypeError
+
+let g = newGlobal();
+let dbg = Debugger(g);
+
+let forceException = g.eval(`
+    (class extends class {} {
+        // Calling this will return a primitive immediately.
+        constructor() {
+            debugger;
+            return {};
+        }
+    })
+`);
+
+let handler = {
+    hit() {
+        return {
+            // Force the return of an illegal value.
+            return: 1
+        }
+    }
+};
+
+dbg.onDebuggerStatement = function(frame) {
+    var line0 = frame.script.getOffsetLocation(frame.offset).lineNumber;
+    var offs = frame.script.getLineOffsets(line0 + 1);
+    frame.script.setBreakpoint(offs[0], handler);
+}
+
+new forceException;