Andreas Kling 33f038ba7a LibJS: Add fast failure path to try_parse_labelled_statement() ...

If the next token isn't a TokenType::Colon (:), this can't possibly be a
labelled statement, so we can fail before having to save_state().

This improves parsing time on a large chunk of JS by ~12.5%.

2021-09-18 19:54:24 +02:00

147 KiB

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