Tailwind errors don't cause postcss-loader to throw

[NetherGranite]

I am using Tailwind's PostCSS plugin with postcss-loader. Everything is configured correctly, but when Tailwind errors, it prints the error to console but does not actually throw an error, causing Webpack/Rspack to succeed. This makes for a very janky and error prone development experience. Is there something I need to configure to cause the errors to properly bubble?

[wongjn]

I think this could be related to #18370.

[NetherGranite]

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