Type casting breaks the validation of element types in the array

[KostyaTretyak]

Bug Report

🔎 Search Terms

• type casting

🕗 Version & Regression Information

4.6.0-dev.20211130

⏯ Playground Link

Playground link with relevant code

💻 Code

const array: { property: number }[] = [
  {property: 1},
  {property: 1} as any, // <-- Type casting
  'text', // <-- No errors, but it's wrong
];

🙁 Actual behavior

No errors.

🙂 Expected behavior

Should show errors.

[MartinJohns]

Duplicate of #19541. Used search terms: array any in:title

Also pointing out that the official and favourable term is "type assertion", not casting. With the term "casting" people often think of a transformation, possibly even including runtime behaviour.