[Mono-bugs] [Bug 383993] [GMCS] invalid IL generated for comparison of enum with null

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https://bugzilla.novell.com/show_bug.cgi?id=383993

User gert.driesen at pandora.be added comment
https://bugzilla.novell.com/show_bug.cgi?id=383993#c2


Gert Driesen <gert.driesen at pandora.be> changed:

           What    |Removed                                         |Added
----------------------------------------------------------------------------
                 CC|                                                |gert.driesen at pandora.be
            Summary|invalid IL generated for comparison of enum with|[GMCS] invalid IL generated for comparison of
                   |null                                            |enum with null




--- Comment #2 from Gert Driesen <gert.driesen at pandora.be>  2008-04-25 17:05:17 MST ---
Simpler repro:

using System;

class Program
{
        static int Main ()
        {
                Error error = Error.FILE_NOT_FOUND;
                return (error == null) ? 1 : 0;
        }
}

internal enum Error
{
        FILE_NOT_FOUND
}

Expected result:

test.cs(8,11): warning CS0472: The result of the expression is always 'false'
        since a value of type 'Error' is never equal to 'null' of type 'Error?'

running it should result in exit code 0.

Actual result:

No warning on compile and InvalidProgramException running it.


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