[Mono-bugs] [Bug 82402][Wis] New - [GMCS]

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Changed by grompf at sublimeintervention.com.

http://bugzilla.ximian.com/show_bug.cgi?id=82402

--- shadow/82402	2007-08-10 14:56:01.000000000 -0400
+++ shadow/82402.tmp.32064	2007-08-10 14:56:01.000000000 -0400
@@ -0,0 +1,81 @@
+Bug#: 82402
+Product: Mono: Compilers
+Version: 1.2
+OS: other
+OS Details: 
+Status: NEW   
+Resolution: 
+Severity: 
+Priority: Wishlist
+Component: C#
+AssignedTo: rharinath at novell.com                            
+ReportedBy: grompf at sublimeintervention.com               
+QAContact: mono-bugs at ximian.com
+TargetMilestone: ---
+URL: 
+Cc: 
+Summary: [GMCS]
+
+The following code crashes GMCS with the following exception:
+
+Unhandled Exception: System.NullReferenceException: Object reference not set to an instance of 
+an object
+  at Mono.CSharp.ConstructedType..ctor (System.Type t, Mono.CSharp.TypeParameter[] 
+type_params, Location l) [0x00000] 
+  at Mono.CSharp.TypeContainer.DoResolveType () [0x00000] 
+  at Mono.CSharp.TypeContainer.ResolveType () [0x00000] 
+  at Mono.CSharp.TypeContainer.ResolveType () [0x00000] 
+  at Mono.CSharp.RootScopeInfo.LinkScopes () [0x00000] 
+  at Mono.CSharp.ToplevelBlock.CompleteContexts (Mono.CSharp.EmitContext ec) [0x00000] 
+  at Mono.CSharp.EmitContext.ResolveTopBlock (Mono.CSharp.EmitContext 
+anonymous_method_host, Mono.CSharp.ToplevelBlock block, Mono.CSharp.Parameters ip, 
+IMethodData md, System.Boolean& unreachable) [0x00000] 
+  at Mono.CSharp.EmitContext.EmitTopBlock (IMethodData md, Mono.CSharp.ToplevelBlock 
+block) [0x00000] 
+  at Mono.CSharp.MethodData.Emit (Mono.CSharp.DeclSpace parent) [0x00000] 
+  at Mono.CSharp.Method.Emit () [0x00000] 
+  at Mono.CSharp.TypeContainer.EmitType () [0x00000] 
+  at Mono.CSharp.RootContext.EmitCode () [0x00000] 
+  at Mono.CSharp.Driver.MainDriver (System.String[] args) [0x00000] 
+  at Mono.CSharp.Driver.Main (System.String[] args) [0x00000] 
+
+--code--
+using System;
+using System.Threading;
+
+public delegate void VoidHandler();
+public delegate TResult ResultHandler<TResult>();
+
+class Result <T>{
+    public Result () {}
+}
+
+class TaskBehaviour {
+    public Exception Execute (VoidHandler handler) {
+        return new Exception ();
+    }
+}
+
+class GmcsCrash {
+    static Result<TResult> Fork<TResult> (ResultHandler <TResult> handler, Result <TResult> 
+result) {
+        if (handler == null) {
+            throw new Exception ("null");
+        }
+
+        TaskBehaviour behaviour = new TaskBehaviour ();
+
+        ThreadPool.QueueUserWorkItem (delegate (object unused) {
+            try {
+                TResult response = default (TResult);
+                Exception exception = behaviour.Execute (delegate () {
+                    response = handler ();
+                });
+            } catch (Exception e) {
+            } finally {
+            }
+        });
+
+        return result;
+    }
+}