2 files changed, 39 insertions, 0 deletions
diff --git a/test/libcxx/experimental/diagnostics/syserr/use_header_warning.fail.cpp b/test/libcxx/experimental/diagnostics/syserr/use_header_warning.fail.cpp
new file mode 100644
index 000000000000..074a9c58c614
--- /dev/null
+++ b/test/libcxx/experimental/diagnostics/syserr/use_header_warning.fail.cpp
@@ -0,0 +1,18 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// REQUIRES: verify-support
+
+// <experimental/system_error>
+
+#include <experimental/system_error>
+
+// expected-error@experimental/system_error:* {{"<experimental/system_error> has been removed. Use <system_error> instead."}}
+
+int main() {}
diff --git a/test/libcxx/experimental/diagnostics/syserr/version.pass.cpp b/test/libcxx/experimental/diagnostics/syserr/version.pass.cpp
new file mode 100644
index 000000000000..c4fb9593a9ee
--- /dev/null
+++ b/test/libcxx/experimental/diagnostics/syserr/version.pass.cpp
@@ -0,0 +1,21 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <experimental/system_error>
+
+#ifdef __GNUC__
+#pragma GCC diagnostic ignored "-W#warnings"
+#endif
+#include <experimental/system_error>
+
+#ifndef _LIBCPP_VERSION
+#error _LIBCPP_VERSION not defined
+#endif
+
+int main() {}