[clang] Add Clang attribute to ensure that fields are initialized explicitly (PR #102040)

[via cfe-commits]

================
@@ -6919,6 +6923,9 @@ ProcessDeclAttribute(Sema &S, Scope *scope, Decl *D, const ParsedAttr &AL,
   case ParsedAttr::AT_NoMerge:
     handleNoMergeAttr(S, D, AL);
     break;
+  case ParsedAttr::AT_ExplicitInit:
+    handleExplicitInitAttr(S, D, AL);
----------------
higher-performance wrote:

Done.

https://github.com/llvm/llvm-project/pull/102040