[libcxx-commits] [libcxx] [libc++][regex] Applied `[[nodiscard]]` (PR #170974)

[A. Jiang via libcxx-commits]

================
@@ -6,15 +6,77 @@
 //
 //===----------------------------------------------------------------------===//
 
-// UNSUPPORTED: c++03
+// REQUIRES: std-at-least-c++11
----------------
frederick-vs-ja wrote:

Can we remove this as we seemingly backport `<regex>` to C++03 mode?

https://github.com/llvm/llvm-project/pull/170974