vendor/libc++/r256633

1 files changed, 23 insertions, 0 deletions

diff --git a/test/libcxx/atomics/libcpp-has-no-threads.fail.cpp b/test/libcxx/atomics/libcpp-has-no-threads.fail.cpp
new file mode 100644
index 000000000000..fe95e6a5983a
--- /dev/null
+++ b/test/libcxx/atomics/libcpp-has-no-threads.fail.cpp
@@ -0,0 +1,23 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <atomic>
+
+// Test that including <atomic> fails to compile when _LIBCPP_HAS_NO_THREADS
+// is defined.
+
+#ifndef _LIBCPP_HAS_NO_THREADS
+#define _LIBCPP_HAS_NO_THREADS
+#endif
+
+#include <atomic>
+
+int main()
+{
+}