[PATCH] D121098: [C++20][Modules][HU 4/5] Handle pre-processed header units.

[Nathan Sidwell via Phabricator via cfe-commits]

urnathan added a comment.

yeah, gcc's preprocessor has peeking code to deal with this (more generally than modules)


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D121098/new/

https://reviews.llvm.org/D121098