[clang-tools-extra] [clang-tidy] Improved modernize-use-using by fixing a false-negative (PR #82947)

[Piotr Zegar via cfe-commits]

=?utf-8?q?Félix-Antoine?= Constantin,
=?utf-8?q?Félix-Antoine?= Constantin
Message-ID:
In-Reply-To: <llvm.org/llvm/llvm-project/pull/82947 at github.com>


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@@ -342,3 +342,21 @@ typedef int InExternCPP;
 // CHECK-FIXES: using InExternCPP = int;
 
 }
+
+namespace ISSUE_72179
+{  
+  void foo()
+  {
+    typedef int a;
+    // CHECK-MESSAGES: :[[@LINE-1]]:5: warning: use 'using' instead of 'typedef' [modernize-use-using]
+    // CHECK-FIXES: using a = int;
+
+  }
+
+  void foo2()
+  {
+    typedef struct { int a; union { int b; }; } c;
+    // CHECK-MESSAGES: :[[@LINE-1]]:5: warning: use 'using' instead of 'typedef' [modernize-use-using]
+    // CHECK-FIXES: using c = struct { int a; union { int b; }; };
+  }
+}
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PiotrZSL wrote:

add test with lambda, template function, normal function in template class.

https://github.com/llvm/llvm-project/pull/82947