libgo: update to Go1.12beta2

    
    Reviewed-on: https://go-review.googlesource.com/c/158019

gotools/:
	* Makefile.am (go_cmd_vet_files): Update for Go1.12beta2 release.
	(GOTOOLS_TEST_TIMEOUT): Increase to 600.
	(check-runtime): Export LD_LIBRARY_PATH before computing GOARCH
	and GOOS.
	(check-vet): Copy golang.org/x/tools into check-vet-dir.
	* Makefile.in: Regenerate.

gcc/testsuite/:
	* go.go-torture/execute/names-1.go: Stop using debug/xcoff, which
	is no longer externally visible.

From-SVN: r268084

1 files changed, 31 insertions, 0 deletions

diff --git a/libgo/go/net/tcpsock_test.go b/libgo/go/net/tcpsock_test.go
index f8a775fdded..65a6ee579ea 100644
--- a/libgo/go/net/tcpsock_test.go
+++ b/libgo/go/net/tcpsock_test.go
@@ -801,3 +801,34 @@ func TestCopyPipeIntoTCP(t *testing.T) {
 		t.Fatal(err)
 	}
 }
+
+func BenchmarkSetReadDeadline(b *testing.B) {
+	ln, err := newLocalListener("tcp")
+	if err != nil {
+		b.Fatal(err)
+	}
+	defer ln.Close()
+	var serv Conn
+	done := make(chan error)
+	go func() {
+		var err error
+		serv, err = ln.Accept()
+		done <- err
+	}()
+	c, err := Dial("tcp", ln.Addr().String())
+	if err != nil {
+		b.Fatal(err)
+	}
+	defer c.Close()
+	if err := <-done; err != nil {
+		b.Fatal(err)
+	}
+	defer serv.Close()
+	c.SetWriteDeadline(time.Now().Add(2 * time.Hour))
+	deadline := time.Now().Add(time.Hour)
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		c.SetReadDeadline(deadline)
+		deadline = deadline.Add(1)
+	}
+}