don't write HintPath for .NET Core shared assembly

ICSharpCode.Decompiler/CSharp/ProjectDecompiler/ProjectFileWriterSdkStyle.cs

@@ -185,7 +185,7 @@ namespace ICSharpCode.Decompiler.CSharp.ProjectDecompiler
 				xml.WriteAttributeString("Include", reference.Name);
 
 				var asembly = project.AssemblyResolver.Resolve(reference);
-				if (asembly != null && !project.AssemblyResolver.IsGacAssembly(reference))
+				if (asembly != null && !project.AssemblyResolver.IsGacAssembly(reference) && !project.AssemblyResolver.IsSharedAssembly(reference))
 				{
 					xml.WriteElementString("HintPath", FileUtility.GetRelativePath(project.TargetDirectory, asembly.FileName));
 				}

ICSharpCode.Decompiler/Metadata/AssemblyReferences.cs

@@ -49,6 +49,7 @@ namespace ICSharpCode.Decompiler.Metadata
 		PEFile ResolveModule(PEFile mainModule, string moduleName);
 #endif
 		bool IsGacAssembly(IAssemblyReference reference);
+		bool IsSharedAssembly(IAssemblyReference reference);
 	}
 
 	public interface IAssemblyReference

ICSharpCode.Decompiler/Metadata/DotNetCorePathFinder.cs

@@ -139,7 +139,7 @@ namespace ICSharpCode.Decompiler.Metadata
 				}
 			}
 
-			return FallbackToDotNetSharedDirectory(name);
+			return TryResolveDotNetCoreShared(name);
 		}
 
 		internal string GetReferenceAssemblyPath(string targetFramework)
@@ -188,7 +188,7 @@ namespace ICSharpCode.Decompiler.Metadata
 			}
 		}
 
-		string FallbackToDotNetSharedDirectory(IAssemblyReference name)
+		public string TryResolveDotNetCoreShared(IAssemblyReference name)
 		{
 			if (dotnetBasePath == null)
 				return null;

ICSharpCode.Decompiler/Metadata/UniversalAssemblyResolver.cs

@@ -189,6 +189,11 @@ namespace ICSharpCode.Decompiler.Metadata
 			return GetAssemblyInGac(reference) != null;
 		}
 
+		public virtual bool IsSharedAssembly(IAssemblyReference reference)
+		{
+			return targetFrameworkIdentifier == TargetFrameworkIdentifier.NETCoreApp && dotNetCorePathFinder.TryResolveDotNetCoreShared(reference) != null;
+		}
+
 		public string FindAssemblyFile(IAssemblyReference name)
 		{
 			if (name.IsWindowsRuntime)

ILSpy/LoadedAssembly.cs

@@ -288,6 +288,11 @@ namespace ICSharpCode.ILSpy
 				return parent.universalResolver?.IsGacAssembly(reference) == true;
 			}
 
+			public bool IsSharedAssembly(IAssemblyReference reference)
+			{
+				return parent.universalResolver?.IsSharedAssembly(reference) == true;
+			}
+
 			public PEFile Resolve(Decompiler.Metadata.IAssemblyReference reference)
 			{
 				return parent.LookupReferencedAssembly(reference)?.GetPEFileOrNull();