// @strict: true declare var tuple: [boolean, number, ...string[]]; const [a, b, c, ...rest] = tuple; declare var receiver: typeof tuple; [...receiver] = tuple; // Repros from #32140 const [oops1] = [1, 2, 3].reduce((accu, el) => accu.concat(el), []); const [oops2] = [1, 2, 3].reduce((acc: number[], e) => acc.concat(e), []);