rollup bug repro

npm install
npx rollup -c

[!] Error: Cannot split a chunk that has already been edited (0:7 – "import('./b.js')")

Name		Name	Last commit message	Last commit date
Latest commit History 2 Commits
.gitignore		.gitignore
README.md		README.md
a.js		a.js
b.js		b.js
main.js		main.js
package.json		package.json
rollup.config.js		rollup.config.js

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