michael@0: function foo(aObject)
michael@0: {
michael@0:     try {
michael@0:         try {
michael@0:             if (!aObject)
michael@0:                 return;
michael@0:         }
michael@0:         catch (ex if (ex.name == "TypeError")) { }
michael@0:         finally {
michael@0:         }
michael@0:         undefined.x;
michael@0:     }
michael@0:     catch (ex if (ex.name == "TypeError")) { }
michael@0:     catch (ex if (ex.name == "TypeError")) { }
michael@0:     finally {
michael@0:     }
michael@0: }
michael@0: 
michael@0: foo(true);