[Mono-bugs] [Bug 362573] New: Exception compiling this snippet

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Sat Feb 16 21:34:15 EST 2008


           Summary: Exception compiling this snippet
           Product: Mono: Compilers
           Version: 1.9.0
          Platform: Other
        OS/Version: Other
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: C#
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: alan.mcgovern at gmail.com
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---

The snippet below cannot be compiled under mono, gmcs crashes with an unhandled
exception (see end). If the declaration of the static list is changed from
internal to public, it compiles fine.

using System.Collections.Generic;

namespace Name
        public class Test
                internal static List<int> List;

        public class Subclass : Test
                private List<int> list;

                public List<int> List
                        get { return list; }

                public static void Main(string[] args)
                        Subclass c = new Subclass();


The exception from gmcs:

Unhandled Exception: Mono.CSharp.InternalErrorException: test.cs(14,36):
Name.Subclass.List ---> System.NullReferenceException: Ob
ject reference not set to an instance of an object
  at Mono.CSharp.MemberCache.FindMemberToOverride (System.Type invocation_type,
System.String name, System.Type[] param_types, Mon
o.CSharp.GenericMethod generic_method, Boolean is_property) [0x00000]
  at Mono.CSharp.Property.ResolveBaseProperty () [0x00000]
  at Mono.CSharp.PropertyBase.FindOutBaseMethod (System.Type& base_ret_type)
  at Mono.CSharp.InterfaceMemberBase.CheckBase () [0x00000]
  at Mono.CSharp.Property.Define () [0x00000]
  at Mono.CSharp.TypeContainer+MemberCoreArrayList.DefineContainerMembers ()
[0x00000] --- End of inner exception stack trace ---

  at Mono.CSharp.TypeContainer+MemberCoreArrayList.DefineContainerMembers ()
  at Mono.CSharp.TypeContainer.DefineContainerMembers
(Mono.CSharp.MemberCoreArrayList mcal) [0x00000]
  at Mono.CSharp.Class.DefineContainerMembers (Mono.CSharp.MemberCoreArrayList
list) [0x00000]
  at Mono.CSharp.TypeContainer.DoDefineMembers () [0x00000]
  at Mono.CSharp.Class.DoDefineMembers () [0x00000]
  at Mono.CSharp.TypeContainer.DefineMembers () [0x00000]
  at Mono.CSharp.RootContext.PopulateTypes () [0x00000]
  at Mono.CSharp.Driver.MainDriver (System.String[] args) [0x00000]
  at Mono.CSharp.Driver.Main (System.String[] args) [0x00000]

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