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Richard Smith
45c071f2af
Instead of special-casing tokens starting with `r`, lex them as normal identifiers, and add a special case to `#` handling to detect if the previous token was an `r` identifier. This roughly doubles the time to lex a raw identifier, because we do two hash table insertions rather than one, and probably slightly slows down lexing string literals starting with `#`, but should remove the 2% overhead to identifier lexing from the previous approach.