[all-commits] [llvm/llvm-project] 701fe5: [Clang] Fix an inadvertent overwrite of sub-initia...

[Younan Zhang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 701fe51fd667904d160fb46b6ceba09006fe8291
      https://github.com/llvm/llvm-project/commit/701fe51fd667904d160fb46b6ceba09006fe8291
  Author: Younan Zhang <zyn7109 at gmail.com>
  Date:   2025-05-21 (Wed, 21 May 2025)

  Changed paths:
    M clang/docs/ReleaseNotes.rst
    M clang/lib/Sema/SemaInit.cpp
    M clang/test/SemaTemplate/deduction-guide.cpp

  Log Message:
  -----------
  [Clang] Fix an inadvertent overwrite of sub-initializers (#140714)

When using InitChecker with VerifyOnly, we create a new designated
initializer to handle anonymous fields. However in the last call to
CheckDesignatedInitializer, the subinitializer isn't properly preserved
but it gets overwritten by the cloned one. Which causes the initializer
to reference the dependent field, breaking assumptions when we
initialize the instantiated specialization.

Fixes https://github.com/llvm/llvm-project/issues/67173



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