asp.net – .NET JIT编译器会优化方法调用吗？

c#4,.NET 4.0.30319.1,ASP.NET 4.0.30319.1

编辑：
我应该提到这是一个发布配置,Optimize code = on,Debug Info = pdb-only.

Stack Trace:

[ArgumentNullException: Value cannot be null. Parameter name: value]
CreateHiddenField(HtmlTextWriter tr,String name,String value) in Foo.cs:129
Foo(IHttpContext context,HtmlTextWriter writer) in Foo.cs:106

private static void Foo(IHttpContext context,HtmlTextWriter writer)
{ // line 103
  Bar(writer,AuthorizationServerResponseDetailsHttpRequestParser.RequestSAMLFieldName,context);
  Bar(writer,AuthorizationServerResponseDetailsHttpRequestParser.RequestTargetFieldName,context);
  // line 106 - blank line in source code.
  CreateHiddenField(tr,name,string.Empty); // looks like its here
}

private static void Bar(HtmlTextWriter tr,string name,IHttpContext context)
{ // line 116
   #region Sanitation
   if (tr == null) { throw new System.ArgumentNullException("tr"); }
   if (name == null) { throw new System.ArgumentNullException("name"); }
   if (context == null) { throw new System.ArgumentNullException("context"); }
   #endregion

   CreateHiddenField(tr,context.RequestQueryString(name));
}

private static void CreateHiddenField(HtmlTextWriter tr,string value)
{ // line 127
   #region Sanitation
   if (tr == null) { throw new System.ArgumentNullException("tr"); }
   if (name == null) { throw new System.ArgumentNullException("name"); }
   if (value == null) { throw new System.ArgumentNullException("value"); }
   #endregion

   // payload...
}