// Options: --block-binding --for-of (function() { var count = 0; for (let x = 0; x < 1; x++) { for (let x = 1; x < 2; x++) { for (let x = 2; x < 3; x++) { count++; assert.equal(2, x); } } } assert.equal(1, count); })(); (function() { var count = 0; for (let x in {0: 0}) { for (let x in {1: 1}) { for (let x in {2: 2}) { count++; assert.equal('2', x); } } } assert.equal(1, count); })(); (function() { var count = 0; for (let x of [0]) { for (let x of [1]) { for (let x of [2]) { count++; assert.equal(2, x); } } } assert.equal(1, count); })();