[PATCH] D79588: [llvm][Support] Use std::atomic for llvm::call_once

brad added a comment. OpenBSD 6.7 is just wrapping up and will be released in a few days. We have switched to Clang for our PowerPC system compiler and thus libc++. It should be Ok to remove OpenBSD from that bit of code. The original issue as far as I remember is that because we don't have TLS

[PATCH] D79588: [llvm][Support] Use std::atomic for llvm::call_once

jfb added a subscriber: brad. jfb added a comment. is this code still relevant? #if defined(_MSC_VER) // MSVC's call_once implementation worked since VS 2015, which is the minimum // supported version as of this writing. #define LLVM_THREADING_USE_STD_CALL_ONCE 1 #elif defined(LLVM_ON_U

[PATCH] D79588: [llvm][Support] Use std::atomic for llvm::call_once

efriedma requested changes to this revision. efriedma added a comment. This revision now requires changes to proceed. This code is basically untested; I'd rather not touch it until we eventually kill it off. (See the definition of LLVM_THREADING_USE_STD_CALL_ONCE.) Repository: rG LLVM Github