[clang-tools-extra] [clang-tidy] Add new check `modernize-use-designated-initializers` (PR #80541)

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Danny =?utf-8?q?Mösch?= <danny.moesch at icloud.com>,
Danny =?utf-8?q?Mösch?= <danny.moesch at icloud.com>,
Danny =?utf-8?q?Mösch?= <danny.moesch at icloud.com>,
Danny =?utf-8?q?Mösch?= <danny.moesch at icloud.com>,
Danny =?utf-8?q?Mösch?= <danny.moesch at icloud.com>
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In-Reply-To: <llvm.org/llvm/llvm-project/pull/80541 at github.com>


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@@ -0,0 +1,77 @@
+//===--- UseDesignatedInitializersCheck.cpp - clang-tidy ------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "UseDesignatedInitializersCheck.h"
+#include "clang/AST/Decl.h"
+#include "clang/AST/Expr.h"
+#include "clang/AST/Stmt.h"
+#include "clang/ASTMatchers/ASTMatchFinder.h"
+#include "clang/ASTMatchers/ASTMatchers.h"
+#include <algorithm>
+#include <iterator>
+#include <vector>
+
+using namespace clang::ast_matchers;
+
+namespace clang::tidy::modernize {
+
+static constexpr auto IgnoreSingleElementAggregatesName =
----------------
EugeneZelenko wrote:

Please do not use `auto` unless type is explicitly stated in same statement or iterator. Same in other places.

https://github.com/llvm/llvm-project/pull/80541