================
@@ -0,0 +1,151 @@
+//===--- UseIntegerSignComparisonCheck.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 "UseIntegerSignComparisonCheck.h"
+#include "clang/AST/Expr.h"
+#include "clang/ASTMatchers/ASTMatchFinder.h"
+#include "clang/Lex/Lexer.h"
+
+using namespace clang::ast_matchers;
+using namespace clang::ast_matchers::internal;
+
+namespace clang::tidy::modernize {
+static BindableMatcher<clang::Stmt>
+intCastExpression(bool IsSigned,
+                  const std::string &CastBindName = std::string()) {
+  auto IntTypeExpr = expr(hasType(hasCanonicalType(qualType(
+      isInteger(), IsSigned ? isSignedInteger() : 
unless(isSignedInteger())))));
----------------
HerrCai0907 wrote:

Beside signed and unsigned, char is special case.
```suggestion
      isInteger(), IsSigned ? isSignedInteger() : isUnsignedInteger()))));
```

https://github.com/llvm/llvm-project/pull/113144
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