Disable...

Disable Microsoft.VisualStudio.LanguageServices.Implementation.EditAndContinue.VsENCRebuildableProjectImpl.TrackingSpansChanged(bool) pending perf investigation (issue #291). (changeset 1411936)

src/VisualStudio/Core/Def/Implementation/EditAndContinue/VsENCRebuildableProjectImpl.cs

@@ -503,18 +503,18 @@ public int EnterBreakStateOnPE(Interop.ENC_BREAKSTATE_REASON encBreakReason, She
 
         private void TrackingSpansChanged(bool leafChanged)
         {
-            log.Write("Tracking spans changed: {0}", leafChanged);
-
-            if (leafChanged)
-            {
-                // fire and forget:
-                Application.Current.Dispatcher.InvokeAsync(() =>
-                {
-                    log.Write("Notifying debugger of active statement change.");
-                    var debugNotify = (Interop.IDebugEncNotify)_vsProject.ServiceProvider.GetService(typeof(ShellInterop.SVsShellDebugger));
-                    debugNotify.NotifyEncUpdateCurrentStatement();
-                });
-            }
+            //log.Write("Tracking spans changed: {0}", leafChanged);
+
+            //if (leafChanged)
+            //{
+            //    // fire and forget:
+            //    Application.Current.Dispatcher.InvokeAsync(() =>
+            //    {
+            //        log.Write("Notifying debugger of active statement change.");
+            //        var debugNotify = (Interop.IDebugEncNotify)_vsProject.ServiceProvider.GetService(typeof(ShellInterop.SVsShellDebugger));
+            //        debugNotify.NotifyEncUpdateCurrentStatement();
+            //    });
+            //}
         }
 
         private struct VsActiveStatement