[cfe-commits] BCPL comments not recognized when computing preamble

[Matthias Kleine]

Is there any reason Lexer::ComputePreamble does not take external LangOptions into account, but uses default-constructed ones? As a result, source files that start with BCPL-comments are recognized as having no preambles, even if the file's language supports such comments.

Would the attached patch solve the problem?

Cheers,
Matthias
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