[clang-tools-extra] Add new check: do not return 0; at the end of main() in C++ (PR #77586)

[Congcong Cai via cfe-commits]

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@@ -0,0 +1,30 @@
+//===--- DonotreturnzerocheckCheck.h - clang-tidy ---------------*- C++ -*-===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_DONOTRETURNZEROCHECKCHECK_H
+#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_DONOTRETURNZEROCHECKCHECK_H
+
+#include "../ClangTidyCheck.h"
+
+namespace clang::tidy::readability {
+
+/// FIXME: Write a short description.
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HerrCai0907 wrote:

Copy description from docs

https://github.com/llvm/llvm-project/pull/77586