diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/debug/Source-element-03.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/debug/Source-element-03.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,24 @@
+// Owning elements and attribute names are attached to scripts compiled
+// off-thread.
+
+var g = newGlobal();
+var dbg = new Debugger;
+var gDO = dbg.addDebuggee(g);
+
+var elt = new g.Object;
+var eltDO = gDO.makeDebuggeeValue(elt);
+
+var log = '';
+dbg.onDebuggerStatement = function (frame) {
+  log += 'd';
+  var source = frame.script.source;
+  assertEq(source.element, eltDO);
+  assertEq(source.elementAttributeName, 'mass');
+};
+
+g.offThreadCompileScript('debugger;',
+                         { element: elt,
+                           elementAttributeName: 'mass' });
+log += 'o';
+g.runOffThreadScript();
+assertEq(log, 'od');