[all-commits] [llvm/llvm-project] 121f27: [libc++] Only include_next <wctype.h> if it exists

[Louis Dionne via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 121f27f3ac811c2add4d43f78847bfb14ad0175d
      https://github.com/llvm/llvm-project/commit/121f27f3ac811c2add4d43f78847bfb14ad0175d
  Author: Louis Dionne <ldionne at apple.com>
  Date:   2020-11-17 (Tue, 17 Nov 2020)

  Changed paths:
    M libcxx/include/wctype.h

  Log Message:
  -----------
  [libc++] Only include_next <wctype.h> if it exists

This allows building on platforms that don't provide that header.