[debugserver] Switch back to std::once_flag
authorJonas Devlieghere <jonas@devlieghere.com>
Thu, 22 Aug 2019 03:48:19 +0000 (03:48 +0000)
committerJonas Devlieghere <jonas@devlieghere.com>
Thu, 22 Aug 2019 03:48:19 +0000 (03:48 +0000)
commit83ee8d4463d1bb1d2248f5cc7f5577672d3ddf94
tree612b3f9026d305ea7c3b759d8397636e67179789
parent3c577bb415a59c033c1fb2fe1de6a3bbb0abfe0a
[debugserver] Switch back to std::once_flag

We cannot use llvm::once_flag in debugserver because doesn't link
against llvm.

llvm-svn: 369621
lldb/tools/debugserver/source/MacOSX/DarwinLog/DarwinLogCollector.cpp