Bug 3987 - Runtime error when passing property result by reference
Summary: Runtime error when passing property result by reference
Status: RESOLVED UPSTREAM
Alias: None
Product: Compilers
Classification: Mono
Component: VisualBasic ()
Version: unspecified
Hardware: PC Windows
: --- normal
Target Milestone: ---
Assignee: Rolf Bjarne Kvinge [MSFT]
URL:
Depends on:
Blocks:
 
Reported: 2012-03-20 08:51 UTC by gsertgaert
Modified: 2018-05-22 12:09 UTC (History)
2 users (show)

Tags:
Is this bug a regression?: ---
Last known good build:

Notice (2018-05-24): bugzilla.xamarin.com is now in read-only mode.

Please join us on Visual Studio Developer Community and in the Xamarin and Mono organizations on GitHub to continue tracking issues. Bugzilla will remain available for reference in read-only mode. We will continue to work on open Bugzilla bugs, copy them to the new locations as needed for follow-up, and add the new items under Related Links.

Our sincere thanks to everyone who has contributed on this bug tracker over the years. Thanks also for your understanding as we make these adjustments and improvements for the future.


Please create a new report on GitHub or Developer Community with your current version information, steps to reproduce, and relevant error messages or log files if you are hitting an issue that looks similar to this resolved bug and you do not yet see a matching new report.

Related Links:
Status:
RESOLVED UPSTREAM

Description gsertgaert 2012-03-20 08:51:22 UTC
Mono 2.10.8
Runtime error caused by passing the result of a property as an argument by reference.
The error doesn't happen if the property is read only.

Class TestClass

    Public Property Value(index As Integer) As Integer
        Get
            Dim result As Integer
            Return result
        End Get
        Set(value As Integer)

        End Set
    End Property
End Class

Sub Main()
    Dim thing As New TestClass

    Test(thing.Value(0))
End Sub

Sub Test(ByRef param As Integer)

End Sub

Error:
Unhandled Exception: System.InvalidProgramException: Invalid IL code in ConsoleApplication1.Module1:Main (): IL_002d: ret
[ERROR] FATAL UNHANDLED EXCEPTION: System.InvalidProgramException: Invalid IL code in ConsoleApplication1.Module1:Main (): IL_002d: ret
The application exited with code: 1

Expected:
Error-free execution or a compiler error.
Comment 1 Rolf Bjarne Kvinge [MSFT] 2018-05-22 12:09:25 UTC
Moved to: https://github.com/mono/mono-basic/issues/29