---
- branch: MAIN
  date: Wed Dec 21 21:55:46 UTC 2016
  files:
  - new: '1.2'
    old: 1.1.1.4
    path: src/external/gpl3/gcc/dist/libstdc++-v3/include/std/mutex
    pathrev: src/external/gpl3/gcc/dist/libstdc++-v3/include/std/mutex@1.2
    type: modified
  - new: '1.2'
    old: 1.1.1.2
    path: src/external/gpl3/gcc/dist/libstdc++-v3/src/c++11/mutex.cc
    pathrev: src/external/gpl3/gcc/dist/libstdc++-v3/src/c++11/mutex.cc@1.2
    type: modified
  id: 20161221T215546Z.49f21dd2547647ce90cb80c9fb54c9a42a5a64bb
  log: |
    Add a walkaround for TLS bug in libstdc++ exposed with std::call_once

    Currently std::call_once with libstdc++ works only with static linking.
    Disable code path using __thread types and introduce FIXME_PR_51139.
    Problem discussed in PR 51139

    Functional std::call_once is required in LLVM and LLDB codebase.

    Example code to test std::call_once:
    #include <iostream>
    #include <thread>
    #include <mutex>
    #include <cstdlib>
    std::once_flag flag;
    int main(int argc, char **argv)
    {
            std::call_once(flag, [](){ std::cout << "Simple example: called once\n"; });
            return EXIT_SUCCESS;
    }

    Sponsored by <The NetBSD Foundation>
  module: src
  subject: 'CVS commit: src/external/gpl3/gcc/dist/libstdc++-v3'
  unixtime: '1482357346'
  user: kamil