[PATCH] D137885: [modules] Support zstd in .pcm file

[Thorsten via Phabricator via cfe-commits]

tschuett added a comment.

Release note?



================
Comment at: clang/lib/Serialization/ASTReader.cpp:1457
+      const llvm::compression::Format F =
+          Blob.size() >= 2 && memcmp(Blob.data(), "\x1f\x8b", 2) == 0
+              ? llvm::compression::Format::Zlib
----------------
Could you put the magic number into a named constant?


Repository:
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  https://reviews.llvm.org/D137885/new/

https://reviews.llvm.org/D137885