[Mono-bugs] [Bug 77327][Wis] New - exception when combining generics and "yield"-style enumerators

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Changed by gael at fraiteur.net.

http://bugzilla.ximian.com/show_bug.cgi?id=77327

--- shadow/77327	2006-01-23 09:43:50.000000000 -0500
+++ shadow/77327.tmp.21754	2006-01-23 09:43:50.000000000 -0500
@@ -0,0 +1,94 @@
+Bug#: 77327
+Product: Mono: Compilers
+Version: 1.1
+OS: 
+OS Details: Linux  2.6.14-1.1656_FC4
+Status: NEW   
+Resolution: 
+Severity: 
+Priority: Wishlist
+Component: C#
+AssignedTo: rharinath at novell.com                            
+ReportedBy: gael at fraiteur.net               
+QAContact: mono-bugs at ximian.com
+TargetMilestone: ---
+URL: 
+Cc: 
+Summary: exception when combining generics and "yield"-style enumerators
+
+Description of Problem:
+The compiler throws an exception when trying to compile the file attached.
+
+
+Steps to reproduce the problem:
+1. gmcs TestEnumeratorWrapper.cs
+
+Actual Results:
+Exception caught by the compiler while compiling:
+   Block that caused the problem begin at: TestEnumeratorWrapper.cs(6,40):
+                     Block being compiled: [TestEnumeratorWrapper.cs
+(14,9):,TestEnumeratorWrapper.cs(16,9):]
+System.NotSupportedException: Operation is not supported.
+
+Unhandled Exception: System.NotSupportedException: Operation is not 
+supported.
+in <0x0001d> 
+System.Reflection.Emit.GenericTypeParameterBuilder:GetInterfaces ()
+in <0x000fb> Mono.CSharp.TypeManager:ExpandInterfaces (System.Type[] 
+base_interfaces)
+in <0x00118> Mono.CSharp.TypeParameter:FindMembers (MemberTypes mt, 
+BindingFlags bf, System.Reflection.MemberFilter fir, System.Object 
+criteria)
+in <0x00258> Mono.CSharp.TypeManager:MemberLookup_FindMembers 
+(System.Type t, MemberTypes mt, BindingFlags bf, System.ing name, 
+System.Boolean used_cache)
+in <0x002ac> Mono.CSharp.TypeManager:RealMemberLookup (System.Type 
+invocation_type, System.Type qualifier_type, Systempe queried_type, 
+MemberTypes mt, BindingFlags original_bf, System.String name, IList 
+almost_match)
+in <0x00047> Mono.CSharp.TypeManager:MemberLookup (System.Type 
+invocation_type, System.Type qualifier_type, System.Typueried_type, 
+MemberTypes mt, BindingFlags original_bf, System.String name, IList 
+almost_match)
+in <0x00066> Mono.CSharp.Expression:MemberLookup (Mono.CSharp.EmitContext 
+ec, System.Type container_type, System.Type lifier_type, System.Type 
+queried_type, System.String name, MemberTypes mt, BindingFlags bf, 
+Location loc)
+in <0x00042> Mono.CSharp.Expression:MethodLookup (Mono.CSharp.EmitContext 
+ec, System.Type queried_type, System.String e, Location loc)
+in <0x0025a> Mono.CSharp.Convert:GetConversionOperator 
+(Mono.CSharp.EmitContext ec, Mono.CSharp.Expression source, Sys.Type 
+target_type, Boolean look_for_explicit)
+in <0x001aa> Mono.CSharp.Convert:UserDefinedConversion 
+(Mono.CSharp.EmitContext ec, Mono.CSharp.Expression source, Sys.Type 
+target, Location loc, Boolean look_for_explicit)
+in <0x00038> Mono.CSharp.Convert:ExplicitUserConversion 
+(Mono.CSharp.EmitContext ec, Mono.CSharp.Expression source, Sym.Type 
+target, Location loc)
+in <0x00337> Mono.CSharp.Convert:ExplicitConversionCore 
+(Mono.CSharp.EmitContext ec, Mono.CSharp.Expression expr, SystType 
+target_type, Location loc)
+in <0x00038> Mono.CSharp.Convert:ExplicitConversion 
+(Mono.CSharp.EmitContext ec, Mono.CSharp.Expression expr, System.T 
+target_type, Location loc)
+in <0x00208> Mono.CSharp.Cast:ResolveRest (Mono.CSharp.EmitContext ec)
+in <0x00056> Mono.CSharp.Cast:DoResolve (Mono.CSharp.EmitContext ec)
+in <0x00134> Mono.CSharp.Expression:Resolve (Mono.CSharp.EmitContext ec, 
+ResolveFlags flags)
+in <0x00028> Mono.CSharp.Expression:Resolve (Mono.CSharp.EmitContext ec)
+in <0x0002f> Mono.CSharp.Yield:Resolve (Mono.CSharp.EmitContext ec)
+in <0x00258> Mono.CSharp.Block:Resolve (Mono.CSharp.EmitContext ec)
+in <0x00167> Mono.CSharp.While:Resolve (Mono.CSharp.EmitContext ec)
+in <0x00258> Mono.CSharp.Block:Resolve (Mono.CSharp.EmitContext ec)
+in <0x001de> Mono.CSharp.EmitContext:ResolveTopBlock 
+(Mono.CSharp.EmitContext anonymous_method_host, Mono.CSharp.TopleBlock 
+block, Mono.CSharp.Parameters ip, IMethodData md, System.Boolean 
+unreachable)
+
+Expected Results:
+Should compile.
+
+How often does this happen? 
+Always.
+
+Additional Information: