[all-commits] [llvm/llvm-project] dd850f: [llvm][clang][modules] Fix test failure on big-end...

Jan Svoboda via All-commits all-commits at lists.llvm.org
Mon Aug 28 13:18:58 PDT 2023

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: dd850f0bae8f38b721e9ae6b8ba915dbf7d9bac7
  Author: Jan Svoboda <jan_svoboda at apple.com>
  Date:   2023-08-28 (Mon, 28 Aug 2023)

  Changed paths:
    M clang/lib/Serialization/ASTWriter.cpp
    M llvm/include/llvm/Bitstream/BitstreamWriter.h

  Log Message:
  [llvm][clang][modules] Fix test failure on big-endian bots

After 6fb08d8f558a6f28db7835acdb88cab83aea2eb4,`clang/test/Modules/ModuleDebugInfoDwoId.cpp` started failing on a number of big-endian build bots (clang-ppc64be-linux-multistage, clang-ppc64be-linux-test-suite). This patch attempts to fix that by creating an API on `llvm::BitstreamWriter` that allows backpatching individual bytes. This API is then used from `clang::ASTWriter` to avoid endianness mismatch.

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