https://bugzilla.novell.com/show_bug.cgi?id=391062
Summary: Unhandled exception when both equality and inequality
operators have an unknown type as argument
Product: Mono: Compilers
Version: SVN
Platform: x86
OS/Version: Linux
Status: NEW
Severity: Normal
Priority: P5 - None
Component: C#
AssignedTo: [email protected]
ReportedBy: [EMAIL PROTECTED]
QAContact: [email protected]
Found By: ---
If there is only one operator the exception does not happen.
[EMAIL PROTECTED]:~/tmp$ cat equalcrash.cs
public abstract class EqualityOperatorWithUnknownTypeCrash
{
public static bool operator
==(EqualityOperatorWithUnknownTypeCrash lhs, IDoNotExist rhs)
{
return false;
}
public static bool operator
!=(EqualityOperatorWithUnknownTypeCrash lhs, IDoNotExist rhs)
{
return !(lhs == rhs);
}
}
[EMAIL PROTECTED]:~/tmp$ gmcs equalcrash.cs
equalcrash.cs(5,90): error CS0246: The type or namespace name `IDoNotExist'
could not be found. Are you missing a using directive or an assembly reference?
equalcrash.cs(10,90): error CS0246: The type or namespace name `IDoNotExist'
could not be found. Are you missing a using directive or an assembly reference?
Unhandled Exception: System.NullReferenceException: Object reference not set to
an instance of an object
at Mono.CSharp.TypeManager.IsEqual (System.Type a, System.Type b) [0x00000]
at Mono.CSharp.TypeManager.IsEqual (System.Type[] a, System.Type[] b)
[0x00000]
at Mono.CSharp.TypeContainer+OperatorArrayList.CheckPairedOperators ()
[0x00000]
at Mono.CSharp.TypeContainer+OperatorArrayList.DefineContainerMembers ()
[0x00000]
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.Compile () [0x00000]
at Mono.CSharp.Driver.Main (System.String[] args) [0x00000]
--
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