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<TITLE> [Mono-bugs] [Bug 484868] New: Internal compiler error on generic class with # of gen. type args > 1 and a mix of non-generic and a generic method overloads.
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<H1>[Mono-bugs] [Bug 484868] New: Internal compiler error on generic class with # of gen. type args > 1 and a mix of non-generic and a generic method overloads.</H1>
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<B>bugzilla_noreply at novell.com</B>
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<A HREF="mailto:mono-bugs%40lists.ximian.com?Subject=%5BMono-bugs%5D%20%5BBug%20484868%5D%20New%3A%20Internal%20compiler%20error%20on%20generic%0A%20class%20with%20%23%20of%20gen.%20type%20args%20%3E%201%20and%20a%20mix%20of%20non-generic%20and%20a%20generic%0A%20method%20overloads.&In-Reply-To="
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TITLE="[Mono-bugs] [Bug 484868] New: Internal compiler error on generic class with # of gen. type args > 1 and a mix of non-generic and a generic method overloads.">bugzilla_noreply at novell.com
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</A><BR>
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<I>Thu Mar 12 13:38:09 EDT 2009</I>
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<LI>Previous message: <A HREF="086967.html">[Mono-bugs] [Bug 484773] WorkingDictionary outside of the project file breaks the build
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<LI>Next message: <A HREF="087166.html">[Mono-bugs] [Bug 484868] Internal compiler error on generic class with # of gen. type args > 1 and a mix of non-generic and a generic method overloads.
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<!--beginarticle-->
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<PRE><A HREF="https://bugzilla.novell.com/show_bug.cgi?id=484868">https://bugzilla.novell.com/show_bug.cgi?id=484868</A>
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Summary: Internal compiler error on generic class with # of
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gen. type args > 1 and a mix of non-generic and a
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generic method overloads.
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Classification: Mono
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Product: Mono: Compilers
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Version: 2.2.x
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Platform: x86-64
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OS/Version: openSUSE 11.1
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Status: NEW
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Severity: Critical
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Priority: P5 - None
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Component: C#
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AssignedTo: <A HREF="http://lists.ximian.com/mailman/listinfo/mono-bugs">mono-bugs at lists.ximian.com</A>
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ReportedBy: <A HREF="http://lists.ximian.com/mailman/listinfo/mono-bugs">aboyko41 at yahoo.com</A>
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QAContact: <A HREF="http://lists.ximian.com/mailman/listinfo/mono-bugs">mono-bugs at lists.ximian.com</A>
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Found By: ---
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User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.0.4)
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Gecko/2008103100 SUSE/3.0.4-4.7 Firefox/3.0.4
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here is a sample code:
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using System;
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namespace CompilerErrorRepro
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{
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// note: it appears the class has to have at least 2 generic type params to
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fail.
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public class MyClass<T1, T2>
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{
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// this {1.1} method decl is where the internal compiler error occurs.
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// note: same error if {1.1} is removed and {1.2} uncommented:
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// {1.1}
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public T1 DoSomething(T2 data)
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{
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DoSomething(() => data);
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return default(T1);
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}
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// {1.2}
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// public void DoSomething(T2 data)
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// {
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// DoSomething(() => data);
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// }
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// note: comment out either of the following two overloads
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// to prevent the internal compiler error
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// {2}
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public void DoSomething(Func<T2> valueExpression)
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{
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}
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//note: no internal compiler error with this:
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// public void DoSomething(Func<T1, T2> valueExpression)
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// but there is an error with the following:
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// {3}
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public void DoSomething<TMethodSpecific>(Func<TMethodSpecific, T2>
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valueExpression)
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{
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}
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}
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}
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<A HREF="http://lists.ximian.com/mailman/listinfo/mono-bugs">login at linux-zald</A>:~/Projects/BupRepro/BupRepro> gmcs -target:library MyClass.cs
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Exception caught by the compiler while compiling:
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Block that caused the problem begin at: MyClass.cs(12,27):
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Block being compiled:
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[MyClass.cs(13,17):,MyClass.cs(16,17):]
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System.ArgumentOutOfRangeException: Index is less than 0 or more than or equal
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to the list count.
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Parameter name: index
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1
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Internal compiler error at MyClass.cs(12,27):: exception caught while emitting
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MethodBuilder [MyClass`2::DoSomething]
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Unhandled Exception: System.ArgumentOutOfRangeException: Index is less than 0
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or more than or equal to the list count.
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Parameter name: index
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1
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at System.Collections.ArrayList.ThrowNewArgumentOutOfRangeException
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(System.String name, System.Object actual, System.String message) [0x00000]
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at System.Collections.ArrayList.set_Item (Int32 index, System.Object value)
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[0x00000]
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at Mono.CSharp.TypeInferenceContext.RemoveDependentTypes
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(System.Collections.ArrayList types, System.Type returnType) [0x00000]
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at Mono.CSharp.TypeInferenceContext.FixIndependentTypeArguments
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(System.Type[] methodParameters, System.Boolean& fixed_any) [0x00000]
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at Mono.CSharp.TypeInferenceV3.InferInPhases (Mono.CSharp.EmitContext ec,
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Mono.CSharp.TypeInferenceContext tic, Mono.CSharp.AParametersCollection
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methodParameters) [0x00000]
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at Mono.CSharp.TypeInferenceV3.InferMethodArguments (Mono.CSharp.EmitContext
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ec, System.Reflection.MethodBase method) [0x00000]
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at Mono.CSharp.TypeManager.InferTypeArguments (Mono.CSharp.EmitContext ec,
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System.Collections.ArrayList arguments, System.Reflection.MethodBase& method)
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[0x00000]
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at Mono.CSharp.MethodGroupExpr.IsApplicable (Mono.CSharp.EmitContext ec,
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System.Collections.ArrayList arguments, Int32 arg_count,
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System.Reflection.MethodBase& method, System.Boolean& params_expanded_form)
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[0x00000]
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at Mono.CSharp.MethodGroupExpr.OverloadResolve (Mono.CSharp.EmitContext ec,
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System.Collections.ArrayList& Arguments, Boolean may_fail, Location loc)
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[0x00000]
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at Mono.CSharp.Invocation.DoResolveOverload (Mono.CSharp.EmitContext ec)
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[0x00000]
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at Mono.CSharp.Invocation.DoResolve (Mono.CSharp.EmitContext ec) [0x00000]
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at Mono.CSharp.Expression.Resolve (Mono.CSharp.EmitContext ec, ResolveFlags
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flags) [0x00000]
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at Mono.CSharp.Expression.Resolve (Mono.CSharp.EmitContext ec) [0x00000]
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at Mono.CSharp.ExpressionStatement.ResolveStatement (Mono.CSharp.EmitContext
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ec) [0x00000]
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at Mono.CSharp.StatementExpression.Resolve (Mono.CSharp.EmitContext ec)
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[0x00000]
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at Mono.CSharp.Block.Resolve (Mono.CSharp.EmitContext ec) [0x00000]
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at Mono.CSharp.ExplicitBlock.Resolve (Mono.CSharp.EmitContext ec) [0x00000]
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at Mono.CSharp.EmitContext.ResolveTopBlock (Mono.CSharp.EmitContext
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anonymous_method_host, Mono.CSharp.ToplevelBlock block, Mono.CSharp.Parameters
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ip, IMethodData md, System.Boolean& unreachable) [0x00000]
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Reproducible: Always
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Steps to Reproduce:
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1.
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2.
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3.
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Actual Results:
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Internal compiler erros
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Expected Results:
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Should compile.
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--
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Configure bugmail: <A HREF="https://bugzilla.novell.com/userprefs.cgi?tab=email">https://bugzilla.novell.com/userprefs.cgi?tab=email</A>
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------- You are receiving this mail because: -------
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You are the QA contact for the bug.
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You are the assignee for the bug.
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</PRE>
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<!--endarticle-->
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<HR>
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<P><UL>
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<!--threads-->
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<LI>Previous message: <A HREF="086967.html">[Mono-bugs] [Bug 484773] WorkingDictionary outside of the project file breaks the build
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</A></li>
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<LI>Next message: <A HREF="087166.html">[Mono-bugs] [Bug 484868] Internal compiler error on generic class with # of gen. type args > 1 and a mix of non-generic and a generic method overloads.
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</A></li>
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<LI> <B>Messages sorted by:</B>
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<a href="date.html#86969">[ date ]</a>
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<a href="thread.html#86969">[ thread ]</a>
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<a href="subject.html#86969">[ subject ]</a>
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<a href="author.html#86969">[ author ]</a>
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