1 files changed, 28 insertions, 0 deletions
diff --git a/contrib/libc++/src/optional.cpp b/contrib/libc++/src/optional.cpp
new file mode 100644
index 000000000000..2877d175bc1b
--- /dev/null
+++ b/contrib/libc++/src/optional.cpp
@@ -0,0 +1,28 @@
+//===------------------------ optional.cpp --------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+#include "optional"
+#include "experimental/optional"
+
+namespace std
+{
+
+bad_optional_access::~bad_optional_access() _NOEXCEPT = default;
+
+const char* bad_optional_access::what() const _NOEXCEPT {
+  return "bad_optional_access";
+  }
+
+} // std
+
+_LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL
+
+bad_optional_access::~bad_optional_access() _NOEXCEPT = default;
+
+_LIBCPP_END_NAMESPACE_EXPERIMENTAL