michael@0: // Don't crash or assert.
michael@0: 
michael@0: var d;
michael@0: this.watch("d", eval);
michael@0: (function () {
michael@0:     (eval("\
michael@0:     (function () {\
michael@0:         for (let x = 0; x < 2; ++x) {\
michael@0:             d = x\
michael@0:         }\
michael@0:     })\
michael@0: "))()
michael@0: })()