[all-commits] [llvm/llvm-project] 23b3f2: [libc++] Mark LWG3403 as complete (#208866)

[inquisitivecrystal via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 23b3f21fd0fff64644cf60065b971686aab9c1b3
      https://github.com/llvm/llvm-project/commit/23b3f21fd0fff64644cf60065b971686aab9c1b3
  Author: inquisitivecrystal <open-source at inquisitivecrystal.addy.io>
  Date:   2026-07-14 (Tue, 14 Jul 2026)

  Changed paths:
    M libcxx/docs/Status/Cxx20Papers.csv
    M libcxx/docs/Status/Cxx23Issues.csv

  Log Message:
  -----------
  [libc++] Mark LWG3403 as complete (#208866)

LWG3403 specifies that `ranges::ssize` should work on non-range objects
for which `ranges::size` is valid. This has been true in libc++ since
6f1b10d, which first implemented `ranges::ssize` for libc++13. The tests
introduced by that commit are sufficient to verify compliance since they
test calling `ranges::ssize` with various non-range arguments.

In addition to marking LWG3403 as complete, this also updates the status
page entry for P1970R2, the paper that added `ranges::ssize`. P1970R2 was
previously marked complete in libc++15 as an approximation; however, it was
actually complete in libc++13.

Resolves #104280



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