Missing error about jsx-runtime package

[RyanCavanaugh]

commentsOnJSXExpressionsArePreserved(jsx=react-jsx,module=commonjs,moduledetection=legacy).errors.txt.diff
commentsOnJSXExpressionsArePreserved(jsx=react-jsxdev,module=commonjs,moduledetection=legacy).errors.txt.diff

[jakebailey]

This comes down to us not detecting that this is a module due to other changes, which then changes how JSX behaves, IIRC