Steps to reproduce

esprima.parse('export * as someIdentifier from "someModule";')

Expected output

A syntax tree.

Actual output

Error: Line 1: Unexpected token as

Relevant references

Spec: https://github.com/tc39/proposal-export-ns-from
ESTree: https://github.com/estree/estree/blob/master/es2020.md#exportalldeclaration
ECMA 262 PR: tc39/ecma262#1174