[Mono-bugs] [Bug 608098] New: Mono csc behaving differently from MS csc

[bugzilla_noreply at novell.com]

http://bugzilla.novell.com/show_bug.cgi?id=608098

http://bugzilla.novell.com/show_bug.cgi?id=608098#c0


           Summary: Mono csc behaving differently from MS csc
    Classification: Mono
           Product: Mono: Compilers
           Version: 2.6.x
          Platform: All
               URL: http://mosa-project.org
        OS/Version: All
            Status: NEW
          Severity: Major
          Priority: P5 - None
         Component: C#
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: rootnode at mosa-project.org
         QAContact: mono-bugs at lists.ximian.com
                CC: rootnode at mosa-project.org
          Found By: Development
           Blocker: Yes


When trying to use an own Attribute class inside an assembly that is compiled
with /nostdlib, 
Attributes from external referenced assemblies can't be used. This does work on
MS .Net, but not with Mono.


Steps to reproduce the problem:
LibA:

namespace Foo 
{
    public class BarAttribute : Attribute
    {
    }
}

/*------------------------------------------------------------------------*/

LibB (/nostdlib):

namespace System
{
    public class Attribute /* Used at another place in LibB */
    {
    }

    public class Something
    {
        [Bar]
        public void DoSomething()
        {
        }
    }
}

Actual Results:

    [csc] Source/Something.cs: error CS0246: The type or namespace name `Bar'
could not be found. Are you missing a using directive or an assembly reference?
    [csc] Source/Something.cs: error CS0616: `Foo.BarAttribute': is not an
attribute class


Expected Results:

    It does work with MS .Net, so either MS csc is not according to
specification, or mono isn't.


How often does this happen? 

    Every time.

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