[all-commits] [llvm/llvm-project] 48fcce: [SystemZ][ZOS] Fix __libcpp_thrad_isnull()

[zibi2 via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 48fcce1aea9e783c3fe64482f06a965707e75990
      https://github.com/llvm/llvm-project/commit/48fcce1aea9e783c3fe64482f06a965707e75990
  Author: Zbigniew Sarbinowski <zibi at ca.ibm.com>
  Date:   2021-02-12 (Fri, 12 Feb 2021)

  Changed paths:
    M libcxx/include/__threading_support

  Log Message:
  -----------
  [SystemZ][ZOS] Fix __libcpp_thrad_isnull()

Previous pthread revision https://reviews.llvm.org/D91875 missed a small change for `__libcpp_thrad_isnull()` required for z/OS.

Reviewed By: zibi

Differential Revision: https://reviews.llvm.org/D96302