Address some post-commit review comments on r217261
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@217276 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/ios b/include/ios
index 6d42607..ff79998 100644
--- a/include/ios
+++ b/include/ios
@@ -216,7 +216,7 @@
#include <__locale>
#include <system_error>
-#if __has_feature(cxx_atomic) && !_LIBCPP_HAS_NO_THREADS
+#if __has_feature(cxx_atomic) && !defined(_LIBCPP_HAS_NO_THREADS)
#include <atomic> // for __xindex_
#endif
@@ -367,7 +367,7 @@
int* __index_;
size_t __event_size_;
size_t __event_cap_;
-#if __has_feature(cxx_atomic) && !_LIBCPP_HAS_NO_THREADS
+#if __has_feature(cxx_atomic) && !defined(_LIBCPP_HAS_NO_THREADS)
static atomic<int> __xindex_;
#else
static int __xindex_;