tests/cases/conformance/es6/destructuring/destructuringSameNames.ts(21,7): error TS2451: Cannot redeclare block-scoped variable 'foo1'. tests/cases/conformance/es6/destructuring/destructuringSameNames.ts(21,13): error TS2451: Cannot redeclare block-scoped variable 'foo1'. tests/cases/conformance/es6/destructuring/destructuringSameNames.ts(22,7): error TS2451: Cannot redeclare block-scoped variable 'foo2'. tests/cases/conformance/es6/destructuring/destructuringSameNames.ts(22,19): error TS2451: Cannot redeclare block-scoped variable 'foo2'. tests/cases/conformance/es6/destructuring/destructuringSameNames.ts(23,13): error TS2451: Cannot redeclare block-scoped variable 'foo3'. tests/cases/conformance/es6/destructuring/destructuringSameNames.ts(23,19): error TS2451: Cannot redeclare block-scoped variable 'foo3'. tests/cases/conformance/es6/destructuring/destructuringSameNames.ts(24,9): error TS2451: Cannot redeclare block-scoped variable 'foo4'. tests/cases/conformance/es6/destructuring/destructuringSameNames.ts(24,15): error TS2451: Cannot redeclare block-scoped variable 'foo4'. tests/cases/conformance/es6/destructuring/destructuringSameNames.ts(25,9): error TS2451: Cannot redeclare block-scoped variable 'foo5'. tests/cases/conformance/es6/destructuring/destructuringSameNames.ts(25,21): error TS2451: Cannot redeclare block-scoped variable 'foo5'. tests/cases/conformance/es6/destructuring/destructuringSameNames.ts(26,15): error TS2451: Cannot redeclare block-scoped variable 'foo6'. tests/cases/conformance/es6/destructuring/destructuringSameNames.ts(26,21): error TS2451: Cannot redeclare block-scoped variable 'foo6'. tests/cases/conformance/es6/destructuring/destructuringSameNames.ts(28,6): error TS2451: Cannot redeclare block-scoped variable 'blah1'. tests/cases/conformance/es6/destructuring/destructuringSameNames.ts(28,13): error TS2451: Cannot redeclare block-scoped variable 'blah1'. tests/cases/conformance/es6/destructuring/destructuringSameNames.ts(29,8): error TS2451: Cannot redeclare block-scoped variable 'blah2'. tests/cases/conformance/es6/destructuring/destructuringSameNames.ts(29,15): error TS2451: Cannot redeclare block-scoped variable 'blah2'. ==== tests/cases/conformance/es6/destructuring/destructuringSameNames.ts (16 errors) ==== // Valid cases let { foo, foo: bar } = { foo: 1 }; ({ foo, foo } = { foo: 2 }); ({ foo, foo: bar } = { foo: 3 }); ({ foo: bar, foo } = { foo: 4 }); ({ foo, bar: foo } = { foo: 3, bar: 33 }); ({ bar: foo, foo } = { foo: 4, bar: 44 }); ({ foo: bar, foo: bar } = { foo: 5 }); ({ foo: bar, bar: foo } = { foo: 6, bar: 66 }); ({ foo: bar, foo: bar } = { foo: 7 }); [foo, foo] = [111, 1111]; [foo, foo] = [222, 2222]; [bar, foo, foo] = [333, 3333, 33333]; [foo, bar, foo] = [333, 3333, 33333]; [foo, foo, bar] = [444, 4444, 44444]; // Error cases let { foo1, foo1 } = { foo1: 10 }; ~~~~ !!! error TS2451: Cannot redeclare block-scoped variable 'foo1'. ~~~~ !!! error TS2451: Cannot redeclare block-scoped variable 'foo1'. let { foo2, bar2: foo2 } = { foo2: 20, bar2: 220 }; ~~~~ !!! error TS2451: Cannot redeclare block-scoped variable 'foo2'. ~~~~ !!! error TS2451: Cannot redeclare block-scoped variable 'foo2'. let { bar3: foo3, foo3 } = { foo3: 30, bar3: 330 }; ~~~~ !!! error TS2451: Cannot redeclare block-scoped variable 'foo3'. ~~~~ !!! error TS2451: Cannot redeclare block-scoped variable 'foo3'. const { foo4, foo4 } = { foo4: 40 }; ~~~~ !!! error TS2451: Cannot redeclare block-scoped variable 'foo4'. ~~~~ !!! error TS2451: Cannot redeclare block-scoped variable 'foo4'. const { foo5, bar5: foo5 } = { foo5: 50, bar5: 550 }; ~~~~ !!! error TS2451: Cannot redeclare block-scoped variable 'foo5'. ~~~~ !!! error TS2451: Cannot redeclare block-scoped variable 'foo5'. const { bar6: foo6, foo6 } = { foo6: 60, bar6: 660 }; ~~~~ !!! error TS2451: Cannot redeclare block-scoped variable 'foo6'. ~~~~ !!! error TS2451: Cannot redeclare block-scoped variable 'foo6'. let [blah1, blah1] = [111, 222]; ~~~~~ !!! error TS2451: Cannot redeclare block-scoped variable 'blah1'. ~~~~~ !!! error TS2451: Cannot redeclare block-scoped variable 'blah1'. const [blah2, blah2] = [333, 444]; ~~~~~ !!! error TS2451: Cannot redeclare block-scoped variable 'blah2'. ~~~~~ !!! error TS2451: Cannot redeclare block-scoped variable 'blah2'.