[Mono-bugs] [Bug 76150][Min] New - System.Type.IsDefined ignores subtyping of attributes

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Changed by nazgul at omega.pl.

http://bugzilla.ximian.com/show_bug.cgi?id=76150

--- shadow/76150	2005-09-19 16:47:30.000000000 -0400
+++ shadow/76150.tmp.10646	2005-09-19 16:47:30.000000000 -0400
@@ -0,0 +1,60 @@
+Bug#: 76150
+Product: Mono: Runtime
+Version: 1.0
+OS: 
+OS Details: mono 1.1.9
+Status: NEW   
+Resolution: 
+Severity: 
+Priority: Minor
+Component: misc
+AssignedTo: mono-bugs at ximian.com                            
+ReportedBy: nazgul at omega.pl               
+QAContact: mono-bugs at ximian.com
+TargetMilestone: ---
+URL: 
+Cc: 
+Summary: System.Type.IsDefined ignores subtyping of attributes
+
+Please fill in this template when reporting a bug, unless you know what you
+are doing.
+Description of Problem:
+IsDefined returns false for base type of attribute defined on some class
+
+Steps to reproduce the problem:
+1. compile and run
+  public class NemerleAttribute : System.Attribute
+  { }
+  
+  public class VolatileModifier : NemerleAttribute
+  {  }
+
+[VolatileModifier]
+class A { }
+
+
+class M {
+  static void Main () { 
+    System.Console.WriteLine (typeof (A).IsDefined (typeof
+(NemerleAttribute), false));
+    System.Console.WriteLine (typeof (A).IsDefined (typeof
+(VolatileModifier), false));
+  }
+}
+
+
+Actual Results:
+False
+True
+
+
+Expected Results:
+True
+True
+
+
+How often does this happen? 
+Always
+
+Additional Information:
+Works fine on MS.NET