error: Invalid selector
 --> $DIR/tests/recovery/cdo-and-cdc/input.css:1:6
  |
1 | <!-- 123 -->
  |      ^

error: Expected whitespace, semicolon, EOF, at-keyword or ident token
 --> $DIR/tests/recovery/cdo-and-cdc/input.css:5:1
  |
5 | <!--
  | ^^^^