[all-commits] [llvm/llvm-project] f3005d: [Serialization] Change input file content hash fro...

[Fangrui Song via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f3005d5b86ca947977f6056552b2a4648b9f0460
      https://github.com/llvm/llvm-project/commit/f3005d5b86ca947977f6056552b2a4648b9f0460
  Author: Fangrui Song <i at maskray.me>
  Date:   2024-06-22 (Sat, 22 Jun 2024)

  Changed paths:
    M clang/lib/Serialization/ASTReader.cpp
    M clang/lib/Serialization/ASTWriter.cpp

  Log Message:
  -----------
  [Serialization] Change input file content hash from size_t to uint64_t

https://reviews.llvm.org/D67249 added content hash (see
-fvalidate-ast-input-files-content) using llvm::hash_code (size_t).
The hash value is 32-bit on 32-bit systems, which was unintentional.

Fix #96379: #96136 switched the hash function to xxh3_64bit but did not
update the ContentHash type, leading to mismatch between ASTReader and
ASTWriter.



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