relnote: Close the QUIC connection when a packet is about to be sent out

net/quic/quic_flags.cc

Index: net/quic/quic_flags.cc
diff --git a/net/quic/quic_flags.cc b/net/quic/quic_flags.cc
index bd8edc889a71faa23ce46f39ae443dfaefb5d90d..cdb189625944293ca2d2305d70bb922513d19d80 100644
--- a/net/quic/quic_flags.cc
+++ b/net/quic/quic_flags.cc
@@ -79,3 +79,7 @@ bool FLAGS_quic_disable_truncated_ack_handling = true;
 // If true, after a server silo receives a packet from a migrated QUIC
 // client, a GO_AWAY frame is sent to the client.
 bool FLAGS_send_goaway_after_client_migration = true;
+
+// Close the connection instead of attempting to write a packet out of sequence
+// number order.
+bool FLAGS_quic_close_connection_out_of_order_sending = true;