[all-commits] [llvm/llvm-project] cee679: [libc++] Always initialize __tree::{, const_}iterat...

[Nikolas Klauser via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: cee679aa3f2b98b191873ecfeaa3d821a9156431
      https://github.com/llvm/llvm-project/commit/cee679aa3f2b98b191873ecfeaa3d821a9156431
  Author: Nikolas Klauser <nikolasklauser at berlin.de>
  Date:   2025-07-16 (Wed, 16 Jul 2025)

  Changed paths:
    M libcxx/include/__tree
    A libcxx/test/extensions/libcxx/always_initialize_iterators.pass.cpp

  Log Message:
  -----------
  [libc++] Always initialize __tree::{,const_}iterator (#147167)

This was probably added to support https://wg21.link/n3644 but there's
no reason not to initialize the pointer in all standard modes. This is
technically an extension since n3644 only required value-initialized
iterators to be comparable, but supporting this as an extension should
be uncontroversial since it avoids potential reads of uninitialized
memory in C++03/C++11 without doing any harm.



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