Merge pull request #14572 from tmat/JS

Disable Roslyn EnC handler for non-Roslyn languages

src/VisualStudio/Core/Def/Implementation/ProjectSystem/AbstractProject.cs

@@ -152,7 +152,11 @@ internal abstract partial class AbstractProject : ForegroundThreadAffinitizedObj
 
             if (visualStudioWorkspaceOpt != null)
             {
-                this.EditAndContinueImplOpt = new VsENCRebuildableProjectImpl(this);
+                if (Language == LanguageNames.CSharp || Language == LanguageNames.VisualBasic)
+                {
+                    this.EditAndContinueImplOpt = new VsENCRebuildableProjectImpl(this);
+                }
+
                 this.MetadataService = visualStudioWorkspaceOpt.Services.GetService<IMetadataService>();
             }