[all-commits] [llvm/llvm-project] 9a3616: [C++20][Modules] Fix non-determinism in serialized...

[Dmitry Polukhin via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9a361684c80a779c28d8315503a423e05f0cc061
      https://github.com/llvm/llvm-project/commit/9a361684c80a779c28d8315503a423e05f0cc061
  Author: Dmitry Polukhin <34227995+dmpolukhin at users.noreply.github.com>
  Date:   2024-09-27 (Fri, 27 Sep 2024)

  Changed paths:
    M clang/include/clang/AST/DeclID.h
    M clang/include/clang/Serialization/ASTWriter.h
    M clang/lib/Serialization/ASTWriter.cpp
    M clang/lib/Serialization/ASTWriterDecl.cpp

  Log Message:
  -----------
  [C++20][Modules] Fix non-determinism in serialized AST (#110131)

Summary:
https://github.com/llvm/llvm-project/pull/109167 serializes
FunctionToLambdasMap in the order of pointers in DenseMap. It gives
different order with different memory layouts. Fix this issue by using
LocalDeclID instead of pointers.

Test Plan: check-clang



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