Propagate errors correctly in Socket.connect

runtime/bin/socket_patch.dart

Index: runtime/bin/socket_patch.dart
diff --git a/runtime/bin/socket_patch.dart b/runtime/bin/socket_patch.dart
index 48508274a6ef2ceb1dfe1b62e5e20ecee65211e4..cd02b29ab921253818f8f8f8201660b9a6896a7d 100644
--- a/runtime/bin/socket_patch.dart
+++ b/runtime/bin/socket_patch.dart
@@ -449,7 +449,12 @@ class _NativeSocket extends _NativeSocketNativeWrapper with _ServiceObject {
               connectNext();
             } else {
               // Query the local port, for error messages.
-              socket.port;
+              try {
+                socket.port;
+              } catch (e) {
+                error = createError(e, "Connection failed", address, port);
+                connectNext();
+              }
               // Set up timer for when we should retry the next address
               // (if any).
               var duration = address.isLoopback ?