export binding destructuring downleveling changes runtime semantics

[ajafff]

TypeScript Version: 3.7.2

Search Terms: export destructuring

Code

// @target: esnext
// @module: commonjs
let foo = 1;
export { foo };

console.log({ foo } = {foo : 1});

Expected behavior:

Logs: {foo: 1}

Actual behavior:
Logs: `1

Playground Link: https://www.typescriptlang.org/play/?module=1&ssl=4&ssc=33&pln=1&pc=1#code/DYUwLgBAZg9jEF4IEYDcAoEAPADjATpAN7RwQC+G6AxjAHYDOMoAdMDAOYAUJs85iCET4QAXCnIBKIA

Related Issues: