[clang] [Clang] disallow attributes after namespace identifier (PR #121614)

[via cfe-commits]

================
@@ -100,7 +103,7 @@ Parser::DeclGroupPtrTy Parser::ParseNamespace(DeclaratorContext Context,
     } while (MoreToParse);
   };
 
-  ReadAttributes();
+  ReadAttributes(/*TrailingAttrs*/ false);
----------------
cor3ntin wrote:

Sorry for the misunderstanding. `CheckProhibitedCXX11Attribute` is an existing function that emits an error on missplaced attributes

https://github.com/llvm/llvm-project/pull/121614