src/third_party/mozjs-45/js/src/jit-test/tests/auto-regress/bug677587.js

// Binary: cache/js-dbg-64-f189dd6316eb-linux
// Flags:
//

var g = newGlobal();
g.eval("var a = {};");
var dbg = new Debugger;
var gw = dbg.addDebuggee(g);
var desc = gw.getOwnPropertyDescriptor("a");
gw.defineProperty("b", desc);
Debugger(g.a, g.b);