michael@0: let a = [];
michael@0: a.length = 30;
michael@0: 
michael@0: function check(f) {
michael@0:   try {
michael@0:     f();
michael@0:   } catch (e) {
michael@0:     assertEq(e.message, "too much recursion");
michael@0:   }
michael@0: }
michael@0: 
michael@0: let f = function() f(...a) + 1;
michael@0: let g = () => g(...a) + 1;
michael@0: let h = function() new h(...a) + 1;
michael@0: 
michael@0: check(f);
michael@0: check(g);
michael@0: check(h);