[all-commits] [llvm/llvm-project] 160045: [Clang] Reintroduce obsolete libclang symbols to a...

[Sirraide via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 1600450f9098e5c9cb26840bd53f1be8a2559b7d
      https://github.com/llvm/llvm-project/commit/1600450f9098e5c9cb26840bd53f1be8a2559b7d
  Author: Sirraide <aeternalmail at gmail.com>
  Date:   2025-07-16 (Wed, 16 Jul 2025)

  Changed paths:
    M clang/include/clang-c/Index.h
    M clang/tools/libclang/CMakeLists.txt
    A clang/tools/libclang/Obsolete.cpp
    M llvm/utils/gn/secondary/clang/tools/libclang/BUILD.gn

  Log Message:
  -----------
  [Clang] Reintroduce obsolete libclang symbols to avoid an ABI break (#149079)

For more context, see
https://github.com/llvm/llvm-project/pull/119269#issuecomment-3075444493,
but briefly, when removing ARCMigrate, I also removed some symbols in
libclang, which constitutes an ABI break that we don’t want, so this pr
reintroduces the removed symbols; the declarations are marked as
deprecated for future removal, and the implementations print an error
and do nothing, which is what we used to do when ARCMigrate was
disabled.



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