[Mono-bugs] [Bug 72852][Wis] New - mcs fails to lookup methods with `final virtual` modifiers

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Changed by nazgul@omega.pl.

http://bugzilla.ximian.com/show_bug.cgi?id=72852

--- shadow/72852	2005-02-22 11:11:32.000000000 -0500
+++ shadow/72852.tmp.16925	2005-02-22 11:11:32.000000000 -0500
@@ -0,0 +1,98 @@
+Bug#: 72852
+Product: Mono: Compilers
+Version: 1.0
+OS: 
+OS Details: Mandrake 10.1, mono 1.1.4.20040221svn
+Status: NEW   
+Resolution: 
+Severity: 
+Priority: Wishlist
+Component: C#
+AssignedTo: mono-bugs@ximian.com                            
+ReportedBy: nazgul@omega.pl               
+QAContact: mono-bugs@ximian.com
+TargetMilestone: ---
+URL: 
+Cc: 
+Summary: mcs fails to lookup methods with `final virtual` modifiers
+
+Please fill in this template when reporting a bug, unless you know what you
+are doing.
+Description of Problem:
+It simply ignores such method and screams that it cannot find proper
+overload for called method.
+
+Steps to reproduce the problem:
+1. Compile given IL by ilasm /dll lib.il
+
+.assembly extern mscorlib
+{
+  .ver 1:0:5000:0
+  .publickeytoken = (B7 7A 5C 56 19 34 E0 89 ) // .z\V.4..
+}
+.assembly 'lib2'
+{
+  .hash algorithm 0x00008004
+  .ver  0:0:0:0
+}
+.module lib2 // GUID = {D8A046C2-CADF-447F-A84F-23BDF6CDFA85}
+
+
+.namespace Nemerle.Collections
+{
+  .class public auto ansi LinkedList
+  	extends [mscorlib]System.Object
+  {
+
+    // method line 1
+    .method public hidebysig  specialname  rtspecialname 
+           instance default void .ctor ()  cil managed 
+    {
+        // Method begins at RVA 0x20ec
+	// Code size 7 (0x7)
+	.maxstack 8
+	IL_0000:  ldarg.0 
+	IL_0001:  call instance void class [mscorlib]System.Object::.ctor()
+	IL_0006:  ret 
+    } // end of method LinkedList::instance default void .ctor () 
+
+    // method line 2
+    .method public final  virtual  hidebysig 
+           instance default void Add (object x)  cil managed 
+    {
+        // Method begins at RVA 0x20f4
+	// Code size 1 (0x1)
+	.maxstack 8
+	IL_0000:  ret 
+    } // end of method LinkedList::instance default void Add (object x) 
+
+  } // end of class Nemerle.Collections.LinkedList
+}
+
+
+2. Try to compile given C# by mcs t.cs /r:lib.dll
+
+using Nemerle.Collections;
+
+class A {
+  static void Main () {
+    LinkedList x = new LinkedList ();
+    x.Add (5);
+  }
+
+}
+
+
+Actual Results:
+t.cs(7) error CS1501: No overload for method `Add' takes `1' arguments
+Compilation failed: 1 error(s), 0 warnings
+
+
+Expected Results:
+Compilation succeeded
+
+How often does this happen? 
+Always
+
+Additional Information:
+It works with mcs 1.1.4 and csc beta1