Merge pull request #45683 from tmat/CodeLensFix

Avoid SoftCrashException from CodeLens data point invalidation calls

src/Workspaces/Remote/ServiceHub/Services/CodeAnalysisService_CodeLens.cs

@@ -240,15 +240,15 @@ async Task InvalidateAsync(Task _)
                         return;
                     }
 
-                    // fire and forget.
-                    // ignore any exception such as rpc already disposed (disconnected)
-
                     _lastVersion = newVersion;
 
-                    await _endPoint.InvokeAsync(
+                    // fire and forget.
+                    // ignore any exception such as rpc already disposed (disconnected)
+                    // fire and forget:
+                    _ = _endPoint.TryInvokeAsync(
                         nameof(IRemoteCodeLensDataPoint.Invalidate),
                         Array.Empty<object>(),
-                        CancellationToken.None).ConfigureAwait(false);
+                        _cancellationToken);
                 }
             }
         }

src/Workspaces/Remote/ServiceHub/Shared/RemoteEndPoint.cs

@@ -119,6 +119,25 @@ public async Task InvokeAsync(string targetName, IReadOnlyList<object?> argument
             }
         }
 
+        public async Task TryInvokeAsync(string targetName, IReadOnlyList<object?> arguments, CancellationToken cancellationToken)
+        {
+            Contract.ThrowIfFalse(_startedListening);
+
+            if (_rpc.IsDisposed)
+            {
+                return;
+            }
+
+            try
+            {
+                await _rpc.InvokeWithCancellationAsync(targetName, arguments, cancellationToken).ConfigureAwait(false);
+            }
+            catch
+            {
+                // ignore
+            }
+        }
+
         public async Task<T> InvokeAsync<T>(string targetName, IReadOnlyList<object?> arguments, CancellationToken cancellationToken)
         {
             Contract.ThrowIfFalse(_startedListening);