boris-kolpackov wrote: @erichkeane, yes, as @yronglin mentioned, this bug makes it impossible to compile a module translation unit that was partially preprocessed with Clang's `-frewrite-includes` (which is what we do in `build2`). This was not an issue up to Clang 20, so seems like a regression to me. It is affecting `build2`'s users, see this report for an example: https://github.com/llvm/llvm-project/issues/151985
https://github.com/llvm/llvm-project/pull/154077 _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
