Bug Report

🔎 Search Terms

variadic, tuple, any, assignable

🕗 Version & Regression Information

• This changed between versions 4.1.5 and 4.2.x, it's probably a regression from this PR

⏯ Playground Link

Playground link with relevant code

💻 Code

declare let tt3: [number, string, ...any[]];
let tt4: [number, ...number[]] = tt3; // it should error

const el = tt4[1]
//    ^? number
tt4[1] = tt3[1] // this errors correctly

🙁 Actual behavior

Unsound assignment is incorrectly allowed

🙂 Expected behavior

It should be a type error