diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/debug/breakpoint-09.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/debug/breakpoint-09.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,13 @@
+// Setting a breakpoint in an eval script that is not on the stack. Bug 746973.
+// We don't assert that the breakpoint actually hits because that depends on
+// the eval cache, an implementation detail.
+
+var g = newGlobal();
+var dbg = Debugger(g);
+g.eval("function f() { return eval('2+2'); }");
+var s;
+dbg.onNewScript = function (script) { s = script; };
+g.f();
+for (var offset of s.getLineOffsets(s.startLine))
+    s.setBreakpoint(offset, {hit: function () {}});
+assertEq(g.f(), 4);