libgo: update to Go 1.11

    
    Reviewed-on: https://go-review.googlesource.com/136435

gotools/:
	* Makefile.am (mostlyclean-local): Run chmod on check-go-dir to
	make sure it is writable.
	(check-go-tools): Likewise.
	(check-vet): Copy internal/objabi to check-vet-dir.
	* Makefile.in: Rebuild.

From-SVN: r264546

1 files changed, 12 insertions, 4 deletions

diff --git a/libgo/go/net/iprawsock.go b/libgo/go/net/iprawsock.go
index 72cbc394337..8a9c26559bd 100644
--- a/libgo/go/net/iprawsock.go
+++ b/libgo/go/net/iprawsock.go
@@ -21,8 +21,8 @@ import (
 // change the behavior of these methods; use Read or ReadMsgIP
 // instead.
 
-// BUG(mikio): On NaCl and Plan 9, the ReadMsgIP and
-// WriteMsgIP methods of IPConn are not implemented.
+// BUG(mikio): On JS, NaCl and Plan 9, methods and functions related
+// to IPConn are not implemented.
 
 // BUG(mikio): On Windows, the File method of IPConn is not
 // implemented.
@@ -209,7 +209,11 @@ func newIPConn(fd *netFD) *IPConn { return &IPConn{conn{fd}} }
 // If the IP field of raddr is nil or an unspecified IP address, the
 // local system is assumed.
 func DialIP(network string, laddr, raddr *IPAddr) (*IPConn, error) {
-	c, err := dialIP(context.Background(), network, laddr, raddr)
+	if raddr == nil {
+		return nil, &OpError{Op: "dial", Net: network, Source: laddr.opAddr(), Addr: nil, Err: errMissingAddress}
+	}
+	sd := &sysDialer{network: network, address: raddr.String()}
+	c, err := sd.dialIP(context.Background(), laddr, raddr)
 	if err != nil {
 		return nil, &OpError{Op: "dial", Net: network, Source: laddr.opAddr(), Addr: raddr.opAddr(), Err: err}
 	}
@@ -224,7 +228,11 @@ func DialIP(network string, laddr, raddr *IPAddr) (*IPConn, error) {
 // ListenIP listens on all available IP addresses of the local system
 // except multicast IP addresses.
 func ListenIP(network string, laddr *IPAddr) (*IPConn, error) {
-	c, err := listenIP(context.Background(), network, laddr)
+	if laddr == nil {
+		laddr = &IPAddr{}
+	}
+	sl := &sysListener{network: network, address: laddr.String()}
+	c, err := sl.listenIP(context.Background(), laddr)
 	if err != nil {
 		return nil, &OpError{Op: "listen", Net: network, Source: nil, Addr: laddr.opAddr(), Err: err}
 	}