[moving to cfe-commits] > I think that serialization is automatically handled for all options > defined in LangOptions.def (ASTWriter::WriteControlBlock). But > because this is a BENIGN_LANGOPT, ASTReader seems to skip checking > that they match.
Hmm, I was worried about changing this option from BENIGN_LANGOPT to LANGOPT because it would affect other code, but now that I look at it more closely it seems to do just what I want. Additionally langopt also adds this flag to -module-file-info, which seems like a good thing. I’ve attached an updated patch that switches to LANGOPT.
module-system-header-comments.patch
Description: Binary data
Ben
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