Fix initialization vulnerability in Scanner #3069
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When bootstrapping with -Yno-inline, Tokens failied to initialize because the length `maxToken` in `tokenString` was still 0. Changing a `val` to a `def` fixes that. This is a nice demonstration that the initialization rules are non-intuitive - we get bitten by them ourselves!
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When bootstrapping with -Yno-inline, Tokens failied to initialize
because the length
maxTokenintokenStringwas still 0. Changinga
valto adeffixes that. This is a nice demonstration that theinitialization rules are non-intuitive - we get bitten by them ourselves!