[all-commits] [llvm/llvm-project] 25aa0d: [SystemZ][ZOS] Guard using declaration for ::fchmodat

[zibi2 via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 25aa0d12445eed6e278489546d18fcb7a33cfaa6
      https://github.com/llvm/llvm-project/commit/25aa0d12445eed6e278489546d18fcb7a33cfaa6
  Author: Zbigniew Sarbinowski <zibi at ca.ibm.com>
  Date:   2021-02-18 (Thu, 18 Feb 2021)

  Changed paths:
    M libcxx/src/filesystem/posix_compat.h

  Log Message:
  -----------
  [SystemZ][ZOS] Guard using declaration for ::fchmodat

The use of fchmodat() is beeing guarded but its using declaration is not. Let's use the same guard in both places to avoid compiler errors on platforms where `fchmodat` does not exist.

Reviewed By: #libc, ldionne

Differential Revision: https://reviews.llvm.org/D96303