michael@0: if (typeof schedulegc != 'undefined') {
michael@0:     Function("\
michael@0:         x = (function() { yield })();\
michael@0:         Set(x);\
michael@0:         schedulegc(1);\
michael@0:         print( /x/ );\
michael@0:         for (p in x) {}\
michael@0:     ")();
michael@0: }