michael@0: s = newGlobal()
michael@0: try {
michael@0:     evalcx("\
michael@0:         function g() {\
michael@0:             h()\
michael@0:         }\
michael@0:         for (p in this) {\
michael@0:             function h(h) {\
michael@0:                 ''instanceof 5\
michael@0:             }\
michael@0:         }\
michael@0:         h.valueOf=g;\
michael@0:         h==9\
michael@0:     ", s)
michael@0: } catch (e) {}
michael@0: try {
michael@0:     evalcx("throw h", s)
michael@0: } catch (e) {
michael@0:     try {
michael@0: 	"" + e
michael@0:     } catch(e) {}
michael@0: }