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// After an onExceptionUnwind hook throws, if uncaughtExceptionHook returns
// undefined, the original exception continues to propagate.
var g = newGlobal({newCompartment: true});
var dbg = new Debugger(g);
var log = '';
dbg.onExceptionUnwind = function () { log += "1"; throw new Error("oops"); };
dbg.uncaughtExceptionHook = function () { log += "2"; };
g.eval("var x = new Error('oops');");
g.eval("try { throw x; } catch (exc) { assertEq(exc, x); }");
assertEq(log, "12");