[ruby/prism] Fix parser translator tokens for comment-only file
In https://github.com/ruby/prism/pull/3393 I made a mistake. When there is no previous token, it wraps around to -1. Oops
Additionally, if a comment has no newline then the offset should be kept as is
https://github.com/ruby/prism/commit/3c266f1de4
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[ruby/prism] Fix parser translator tokens for comment-only file
In https://github.com/ruby/prism/pull/3393 I made a mistake.
When there is no previous token, it wraps around to -1. Oops
Additionally, if a comment has no newline then the offset should be kept as is
https://github.com/ruby/prism/commit/3c266f1de4