[all-commits] [llvm/llvm-project] 337beb: [libc++] Add _LIBCPP_NO_UNIQUE_ADDRESS to flat_{, m...

[Nikolas Klauser via All-commits]

  Branch: refs/heads/release/20.x
  Home:   https://github.com/llvm/llvm-project
  Commit: 337beb73abfe05c2db1158f211042eb8763165ea
      https://github.com/llvm/llvm-project/commit/337beb73abfe05c2db1158f211042eb8763165ea
  Author: Nikolas Klauser <nikolasklauser at berlin.de>
  Date:   2025-06-12 (Thu, 12 Jun 2025)

  Changed paths:
    M libcxx/include/__flat_map/flat_map.h
    M libcxx/include/__flat_map/flat_multimap.h

  Log Message:
  -----------
  [libc++] Add _LIBCPP_NO_UNIQUE_ADDRESS to flat_{,multi}map::value_compare (#137594)

This breaks the ABI of `flat_{,multi}map::value_compare`, but this type
has only been introduced in LLVM 20, so it should be very unlikely that
we break anybody if we back-port this now.

(cherry picked from commit ed0aa9961caa177098e9b7e69e98034d676f192e)



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