Fix assembly reference logging bug: References found in the assembly list should not be marked unresolved.

ICSharpCode.Decompiler/DotNetCore/DotNetCorePathFinderExtensions.cs

@@ -43,6 +43,21 @@ namespace ICSharpCode.Decompiler
 			}
 		}
 
+		public void AddMessageOnce(string fullName, MessageKind kind, string message)
+		{
+			lock (loadedAssemblyReferences) {
+				if (!loadedAssemblyReferences.TryGetValue(fullName, out var referenceInfo)) {
+					referenceInfo = new UnresolvedAssemblyNameReference(fullName);
+					loadedAssemblyReferences.Add(fullName, referenceInfo);
+					referenceInfo.Messages.Add((kind, message));
+				} else {
+					var lastMsg = referenceInfo.Messages.LastOrDefault();
+					if (kind != lastMsg.Item1 && message != lastMsg.Item2)
+						referenceInfo.Messages.Add((kind, message));
+				}
+			}
+		}
+
 		public bool TryGetInfo(string fullName, out UnresolvedAssemblyNameReference info)
 		{
 			lock (loadedAssemblyReferences) {

ILSpy/LoadedAssembly.cs

@@ -267,6 +267,7 @@ namespace ICSharpCode.ILSpy
 				foreach (LoadedAssembly loaded in assemblyList.GetAssemblies()) {
 					var asmDef = loaded.GetAssemblyDefinitionOrNull();
 					if (asmDef != null && data.fullName.Equals(data.isWinRT ? asmDef.Name.Name : asmDef.FullName, StringComparison.OrdinalIgnoreCase)) {
+						LoadedAssemblyReferencesInfo.AddMessageOnce(data.fullName, MessageKind.Info, "Success - Found in Assembly List");
 						return loaded;
 					}
 				}
@@ -295,7 +296,7 @@ namespace ICSharpCode.ILSpy
 					LoadedAssemblyReferencesInfo.AddMessage(data.fullName, MessageKind.Info, "Success - Loading from: " + file);
 					asm = new LoadedAssembly(assemblyList, file) { IsAutoLoaded = true };
 				} else {
-					LoadedAssemblyReferencesInfo.AddMessage(data.fullName, MessageKind.Error, "Could not find reference: " + data.fullName);
+					LoadedAssemblyReferencesInfo.AddMessageOnce(data.fullName, MessageKind.Error, "Could not find reference: " + data.fullName);
 					return null;
 				}
 				loadingAssemblies.Add(file, asm);