Impossible to spread <T extends object>

[alex-kinokon]

TypeScript Version: 2.9.1

Search Terms:
object type, generic, spread, error

Code

function test<T extends object>(a: T) {
 return { ...a };
}

Expected behavior:
No error.

Actual behavior:
Error: Spread types may only be created from object types.

Playground Link:
Here you go.

Related Issues:
None found so far.

[alex-kinokon]

A dup of #13288? But that PR is started 1.5 years ago and there seems to have no progress.