[libcxx-commits] [PATCH] D131430: [libc++] Implement `thread::id` comparators as free functions

[Adrian Vogelsgesang via Phabricator via libcxx-commits]

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So far, the `thread::id` comparators were implemented as hidden friends.
This was non-conforming and lead to incorrectly rejected C++ code, as
can be seen in the linked Github issue.

Fixes https://github.com/llvm/llvm-project/issues/56187


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D131430

Files:
  libcxx/include/__threading_support
  libcxx/test/std/thread/thread.threads/thread.thread.class/thread.thread.id/eq.pass.cpp
  libcxx/test/std/thread/thread.threads/thread.thread.class/thread.thread.id/lt.pass.cpp

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