[all-commits] [llvm/llvm-project] 735240: [libc++] Implement `operator<=>` for `unique_ptr`

[Adrian Vogelsgesang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 735240b38fd7a249474a66f96cb98587658010af
      https://github.com/llvm/llvm-project/commit/735240b38fd7a249474a66f96cb98587658010af
  Author: Adrian Vogelsgesang <avogelsgesang at salesforce.com>
  Date:   2022-08-06 (Sat, 06 Aug 2022)

  Changed paths:
    M libcxx/docs/Status/Cxx20Papers.csv
    M libcxx/docs/Status/Cxx2bIssues.csv
    M libcxx/docs/Status/SpaceshipProjects.csv
    M libcxx/include/__memory/unique_ptr.h
    M libcxx/include/memory
    A libcxx/test/std/utilities/smartptr/unique.ptr/unique.ptr.special/cmp.pass.cpp
    M libcxx/test/std/utilities/smartptr/unique.ptr/unique.ptr.special/cmp_nullptr.pass.cpp
    R libcxx/test/std/utilities/smartptr/unique.ptr/unique.ptr.special/eq.pass.cpp
    R libcxx/test/std/utilities/smartptr/unique.ptr/unique.ptr.special/rel.pass.cpp

  Log Message:
  -----------
  [libc++] Implement `operator<=>` for `unique_ptr`

Implements part of:

  - P1614R2 The Mothership has Landed

Fixes LWG3426

Reviewed By: #libc, Mordante

Differential Revision: https://reviews.llvm.org/D130838