[all-commits] [llvm/llvm-project] e43c93: Don't treat 'T &forward(T&&)' as builtin.

[Richard Smith via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e43c93dd63cca295ef26ab69cd305816a71d45fd
      https://github.com/llvm/llvm-project/commit/e43c93dd63cca295ef26ab69cd305816a71d45fd
  Author: Richard Smith <richard at metafoo.co.uk>
  Date:   2022-04-18 (Mon, 18 Apr 2022)

  Changed paths:
    M clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
    M clang/test/SemaCXX/builtin-std-move.cpp
    M libcxx/test/std/utilities/utility/forward/forward.fail.cpp

  Log Message:
  -----------
  Don't treat 'T &forward(T&&)' as builtin.

This allows the standard library to diagnose it properly. Suppress
warning in libc++ testsuite for unused result of call to std::forward.