diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/debug/Script-gc-03.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/debug/Script-gc-03.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,15 @@
+// Referents of Debugger.Scripts in other compartments always survive per-compartment GC.
+
+var g = newGlobal();
+var dbg = Debugger(g);
+var arr = [];
+dbg.onDebuggerStatement = function (frame) { arr.push(frame.script); };
+g.eval("for (var i = 0; i < 100; i++) Function('debugger;')();");
+assertEq(arr.length, 100);
+
+gc(g);
+
+for (var i = 0; i < arr.length; i++)
+    assertEq(arr[i].lineCount, 1);
+
+gc();