From 8d1cfee963bb3f5dda4e4fc3edc632c2eb997921 Mon Sep 17 00:00:00 2001
From: sonyps5201314 <sonyps5201314@gmail.com>
Date: Wed, 22 Oct 2025 02:23:09 +0800
Subject: [PATCH] The internal judgment logic of IsPrimaryConstructor should
 exclude the copy constructor first, otherwise it will be judged incorrectly
 whether the NamedParameter type in
 https://github.com/restsharp/RestSharp/blob/dev/src/RestSharp/Parameters/Parameter.cs
 uses the primary constructor.

---
 ICSharpCode.Decompiler/CSharp/RecordDecompiler.cs | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/ICSharpCode.Decompiler/CSharp/RecordDecompiler.cs b/ICSharpCode.Decompiler/CSharp/RecordDecompiler.cs
index a47dcf290..2b623c094 100644
--- a/ICSharpCode.Decompiler/CSharp/RecordDecompiler.cs
+++ b/ICSharpCode.Decompiler/CSharp/RecordDecompiler.cs
@@ -190,13 +190,18 @@ namespace ICSharpCode.Decompiler.CSharp
 			return null;
 
 			//判定主构造函数的唯一准则是：
-			//构造函数中前面部分都是类成员属性/字段赋值语句，
-			//之后是调用基类构造函数的语句即"base..ctor();"，
-			//再之后就是返回语句了，即"base..ctor();"之后不存在任何其他初始化语句。
+			//首先它不能是拷贝构造函数，
+			//然后这个构造函数中前面部分都是类成员属性/字段赋值语句，
+			//之后是调用基类构造函数的语句即"base..ctor(...);"，
+			//再之后就是返回语句了，即"base..ctor(...);"之后不存在任何其他初始化语句。
 			//且主构造函数的参数和类成员之间无任何对应关系！
 			bool IsPrimaryConstructor(IMethod method, IMethod unspecializedMethod)
 			{
 				Debug.Assert(method.IsConstructor);
+
+				if (IsCopyConstructor(method))
+					return false;
+
 				var body = DecompileBody(method);
 				if (body == null)
 					return false;