Don't catch exceptions in debug builds (makes debugging the decompiler easier)

ILSpy/TextView/DecompilerTextView.cs

@@ -254,22 +254,32 @@ namespace ICSharpCode.ILSpy.TextView
 		{
 			Debug.WriteLine("Start decompilation of {0} tree nodes", context.TreeNodes.Length);
 			
+			TaskCompletionSource<AvalonEditTextOutput> tcs = new TaskCompletionSource<AvalonEditTextOutput>();
 			if (context.TreeNodes.Length == 0) {
 				// If there's nothing to be decompiled, don't bother starting up a thread.
 				// (Improves perf in some cases since we don't have to wait for the thread-pool to accept our task)
-				TaskCompletionSource<AvalonEditTextOutput> tcs = new TaskCompletionSource<AvalonEditTextOutput>();
 				tcs.SetResult(new AvalonEditTextOutput());
 				return tcs.Task;
 			}
 			
-			return Task.Factory.StartNew(
+			Thread thread = new Thread(new ThreadStart(
 				delegate {
+					try {
 						AvalonEditTextOutput textOutput = new AvalonEditTextOutput();
 						textOutput.LengthLimit = outputLengthLimit;
 						DecompileNodes(context, textOutput);
 						textOutput.PrepareDocument();
-					return textOutput;
-				}, TaskCreationOptions.LongRunning);
+						tcs.SetResult(textOutput);
+						#if DEBUG
+					} catch (OperationCanceledException ex) {
+						#else
+					} catch (Exception ex) {
+						#endif
+						tcs.SetException(ex);
+					}
+				}));
+			thread.Start();
+			return tcs.Task;
 		}
 		
 		static void DecompileNodes(DecompilationContext context, ITextOutput textOutput)