The build failed in the Next.js 15 version.

[xiaoxuehai]

When using "next build --turbopack" for packaging in Next.js, an error message "invalid utf-8 sequence of 1 bytes from index 0" is displayed.

Using "next build" was successful.

OS: macos

Minimum Reproduction Repository: https://github.com/xiaoxuehai/mdx-bundler-demo