[System]: Properly propage exceptions in HttpWebRequest.BeginGetResponse().

(cherry picked from commit acf6c4bd3718265bc62aafc6338d024db1a4e950)

diff --git a/mcs/class/System/System.Net/HttpWebRequest.cs b/mcs/class/System/System.Net/HttpWebRequest.cs
index 1c1c41214b5b11e1f8bc61f2af96dcba1cc28cbb..8b90a5336b55c186b43c8e98adbc40511713b282 100644 (file)
--- a/mcs/class/System/System.Net/HttpWebRequest.cs
+++ b/mcs/class/System/System.Net/HttpWebRequest.cs
@@ -969,11 +969,17 @@ namespace System.Net
                                        }
                                }
 
-                               if (!requestSent) {
+                               if (requestSent)
+                                       return;
+
+                               try {
                                        requestSent = true;
                                        redirects = 0;
                                        servicePoint = GetServicePoint ();
                                        abortHandler = servicePoint.SendRequest (this, connectionGroup);
+                               } catch (Exception ex) {
+                                       aread.SetCompleted (synch, ex);
+                                       aread.DoCallback ();
                                }
                        });