[all-commits] [llvm/llvm-project] 478092: [clangd][iwyu] explicitly includes `<atomic>`

[Christopher Di Bella via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 478092d33116ec01ad0b82f7eeedb1e1f07aef93
      https://github.com/llvm/llvm-project/commit/478092d33116ec01ad0b82f7eeedb1e1f07aef93
  Author: Christopher Di Bella <cjdb at google.com>
  Date:   2021-07-04 (Sun, 04 Jul 2021)

  Changed paths:
    M clang-tools-extra/clangd/support/Threading.h

  Log Message:
  -----------
  [clangd][iwyu] explicitly includes `<atomic>`

Compiling clangd with Clang modules and libc++ revealed that
`support/Threading.h` uses `std::atomic` but wasn't including the
correct header.

Differential Revision: https://reviews.llvm.org/D105400