GitLab

GN would read past the end of the file if the last line was a comment that didn't end in a newline.

It also would get confused if an end-of-file was reached after an assignment or a unary operator.

BUG=478169

Review URL: https://codereview.chromium.org/1275853006

Cr-Commit-Position: refs/heads/master@{#342417}