[clang] [C++26][clang] Implement P2795R5 'Erroneous behaviour for uninitialized reads' (PR #177614)

[via cfe-commits]

================
@@ -350,6 +353,10 @@ class CXX11<string namespace, string name, int version = 1>
     : Spelling<name, "CXX11", version> {
   string Namespace = namespace;
 }
+class CXX26<string namespace, string name, int version = 1>
+    : Spelling<name, "CXX26", version> {
----------------
yronglin wrote:

Done

https://github.com/llvm/llvm-project/pull/177614