Duplicate export 'undefined'

[mdjermanovic]

Acorn v8.7.0

import { parse } from "acorn";

const code = `
    export * as "a" from "mod1";
    export * as "b" from "mod2";
`;

parse(code, { ecmaVersion: 2022, sourceType: "module" });

SyntaxError: Duplicate export 'undefined' (3:16)
    at Parser.pp$4.raise (file:///D:/tmp/acorn/node_modules/acorn/dist/acorn.mjs:3454:13)
    at Parser.pp$8.checkExport (file:///D:/tmp/acorn/node_modules/acorn/dist/acorn.mjs:1708:12)
    at Parser.pp$8.parseExport (file:///D:/tmp/acorn/node_modules/acorn/dist/acorn.mjs:1641:14)
    at Parser.pp$8.parseStatement (file:///D:/tmp/acorn/node_modules/acorn/dist/acorn.mjs:926:74)
    at Parser.pp$8.parseTopLevel (file:///D:/tmp/acorn/node_modules/acorn/dist/acorn.mjs:807:21)
    at Parser.parse (file:///D:/tmp/acorn/node_modules/acorn/dist/acorn.mjs:580:15)
    at Function.parse (file:///D:/tmp/acorn/node_modules/acorn/dist/acorn.mjs:630:35)
    at parse (file:///D:/tmp/acorn/node_modules/acorn/dist/acorn.mjs:5570:17)
    at file:///D:/tmp/acorn/test.mjs:8:1
    at ModuleJob.run (internal/modules/esm/module_job.js:145:37) {
  pos: 50,
  loc: Position { line: 3, column: 16 },
  raisedAt: 58
}