LLVM/Clang 23 has implemented std::constant_wrapper

frederick-vs-ja · cdervis · commit b1f9bfa0d951 · 2026-04-22T08:22:19.000+02:00
Per https://llvm.org/PR191695. Signed-off-by: A. Jiang <de34@live.cn>
diff --git a/features_cpp26.yaml b/features_cpp26.yaml
@@ -1555,7 +1555,7 @@ features:
     paper: P2781
     summary: "Wrap compile-time constants as types for template metaprogramming."
     lib: true
-    support: [GCC 16]
+    support: [GCC 16, Clang 23]
     ftm:
       - name: __cpp_lib_constant_wrapper
         value: 202506L
