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When an unterminated block comment directly followed an annotation and ended with whitespace, Lexer::takeComment advanced pos to the last character of the buffer without restoring startPos. Because takeComment returned false after takeAnnotation returned true, skipSpace terminated with pos pointing at the trailing whitespace instead of the start of the unterminated comment, causing mismatched implicit type positions between parsing phases. Fixes #8634.
tlively
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stevenfontanella
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September 23, 2026 03:05
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When an unterminated block comment directly followed an annotation and ended with whitespace, Lexer::takeComment advanced pos to the last character of the buffer without restoring startPos. Because takeComment returned false after takeAnnotation returned true, skipSpace terminated with pos pointing at the trailing whitespace instead of the start of the unterminated comment, causing mismatched implicit type positions between parsing phases.
Fixes #8634.