[all-commits] [llvm/llvm-project] f9aa7a: [libc++] Verify std::forward_like's mandates claus...

[Mark de Wever via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f9aa7a20d9352102c41285e63c3a1459036af79d
      https://github.com/llvm/llvm-project/commit/f9aa7a20d9352102c41285e63c3a1459036af79d
  Author: Mark de Wever <koraq at xs4all.nl>
  Date:   2025-03-26 (Wed, 26 Mar 2025)

  Changed paths:
    M libcxx/docs/Status/Cxx23Issues.csv
    A libcxx/test/std/utilities/utility/forward/forward_like.verify.cpp

  Log Message:
  -----------
  [libc++] Verify std::forward_like's mandates clause. (#127318)

The existing using _ForwardLike declaration already fails with a
subsitution failure. The LWG issue was filed to clarify what should
happen for non-referencable types.

Added test to verify libc++ is already enforcing the new Mandates.

Implements:
- LWG3757 What's the effect of std::forward_like<void>(x)

Closes: #105026



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