Break async

[aymericbeaumet]

I have been facing a strange behavior in the REPL when defining an async method delete to an object literal:

require('@std/esm');

// OK
({ async foobar() {} });

// KO
({ async delete() {} }); // syntax error

I cannot reproduce this issue with other restricted identifiers (like throw, const, return). Generators are working properly.

---

node: 8.4.0
std/esm: 0.9.0

[jdalton]

Thank you @aymericbeaumet!