michael@0: // Don't crash or assert.
michael@0: 
michael@0: (function () {
michael@0:     var x;
michael@0:     (eval("\
michael@0:     (function () {\
michael@0:         for (y in [0, 0]) let(a)((function () {\
michael@0:             for (w in [0, 0])\
michael@0:                 x = 0\
michael@0:         })());\
michael@0:         with({}) {}\
michael@0:     })\
michael@0:     "))()
michael@0: })()