[PATCH] D137206: [clang][modules][deps] Including module maps are affecting

[Jan Svoboda via Phabricator via cfe-commits]

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With this patch, we mark module maps that include an affecting `extern` module map as also affecting. This is a generalization of D137197 <https://reviews.llvm.org/D137197>: now we don't require the importing module map to describe parent of the extern module.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D137206

Files:
  clang/lib/Serialization/ASTWriter.cpp
  clang/test/ClangScanDeps/modules-extern-unrelated.m

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