Missing error if DestructuringRestProperty is assigned to object or array literal

[ajafff]

TypeScript Version: 3.1.0-dev.20180727

Search Terms: destructuring rest

Code

({...{}} = {});
({...[]} = []);

Expected behavior:

An error on both assignments as described in the Spec: https://tc39.github.io/ecma262/#sec-destructuring-assignment-static-semantics-early-errors

Actual behavior:

No error

Playground Link: https://agentcooper.github.io/typescript-play/#code/BQbwdBIL5QBAvLaBKA3AKFBMBtAunIvmkA

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