[libc++] Mark lock_guard nodiscard test as unsupported in C++03

llvm-svn: 369672

1 files changed, 3 insertions, 0 deletions

diff --git a/libcxx/test/libcxx/thread/thread.lock/thread.lock.guard/nodiscard.fail.cpp b/libcxx/test/libcxx/thread/thread.lock/thread.lock.guard/nodiscard.fail.cpp
index 67fbc5485f3..ab7c7eb200c 100644
--- a/libcxx/test/libcxx/thread/thread.lock/thread.lock.guard/nodiscard.fail.cpp
+++ b/libcxx/test/libcxx/thread/thread.lock/thread.lock.guard/nodiscard.fail.cpp
@@ -12,6 +12,9 @@
 // UNSUPPORTED: clang-6, clang-7, clang-8, clang-9
 // UNSUPPORTED: apple-clang-9, apple-clang-10, apple-clang-11
 
+// [[nodiscard]] isn't supported in C++98 and C++03 (not even as an extension)
+// UNSUPPORTED: c++98, c++03
+
 // <mutex>
 
 // template <class Mutex> class lock_guard;