libgo: update to Go1.14beta1

Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/214297

6 files changed, 6 insertions, 11 deletions

diff --git a/libgo/go/database/sql/convert.go b/libgo/go/database/sql/convert.go
index 4c056a1..b966ef9 100644
--- a/libgo/go/database/sql/convert.go
+++ b/libgo/go/database/sql/convert.go
@@ -565,7 +565,7 @@ func callValuerValue(vr driver.Valuer) (v driver.Value, err error) {
 // coefficient (also known as a significand) as a []byte, and an int32 exponent.
 // These are composed into a final value as "decimal = (neg) (form=finite) coefficient * 10 ^ exponent".
 // A zero length coefficient is a zero value.
-// The big-endian integer coefficent stores the most significant byte first (at coefficent[0]).
+// The big-endian integer coefficient stores the most significant byte first (at coefficient[0]).
 // If the form is not finite the coefficient and exponent should be ignored.
 // The negative parameter may be set to true for any form, although implementations are not required
 // to respect the negative parameter in the non-finite form.
diff --git a/libgo/go/database/sql/convert_test.go b/libgo/go/database/sql/convert_test.go
index 8a82891..2668a5e 100644
--- a/libgo/go/database/sql/convert_test.go
+++ b/libgo/go/database/sql/convert_test.go
@@ -525,7 +525,7 @@ func (d *dec) Compose(form byte, negative bool, coefficient []byte, exponent int
 	// This isn't strictly correct, as the extra bytes could be all zero,
 	// ignore this for this test.
 	if len(coefficient) > 16 {
-		return fmt.Errorf("coefficent too large")
+		return fmt.Errorf("coefficient too large")
 	}
 	copy(d.coefficient[:], coefficient)
 
@@ -558,7 +558,7 @@ func (d *decFinite) Compose(form byte, negative bool, coefficient []byte, expone
 	// This isn't strictly correct, as the extra bytes could be all zero,
 	// ignore this for this test.
 	if len(coefficient) > 16 {
-		return fmt.Errorf("coefficent too large")
+		return fmt.Errorf("coefficient too large")
 	}
 	copy(d.coefficient[:], coefficient)
 
diff --git a/libgo/go/database/sql/ctxutil.go b/libgo/go/database/sql/ctxutil.go
index af2afd5..4dbe6af 100644
--- a/libgo/go/database/sql/ctxutil.go
+++ b/libgo/go/database/sql/ctxutil.go
@@ -94,8 +94,6 @@ func ctxDriverStmtQuery(ctx context.Context, si driver.Stmt, nvdargs []driver.Na
 	return si.Query(dargs)
 }
 
-var errLevelNotSupported = errors.New("sql: selected isolation level is not supported")
-
 func ctxDriverBegin(ctx context.Context, opts *TxOptions, ci driver.Conn) (driver.Tx, error) {
 	if ciCtx, is := ci.(driver.ConnBeginTx); is {
 		dopts := driver.TxOptions{}
diff --git a/libgo/go/database/sql/fakedb_test.go b/libgo/go/database/sql/fakedb_test.go
index c0371f3..a0028be 100644
--- a/libgo/go/database/sql/fakedb_test.go
+++ b/libgo/go/database/sql/fakedb_test.go
@@ -10,7 +10,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"log"
 	"reflect"
 	"sort"
 	"strconv"
@@ -20,8 +19,6 @@ import (
 	"time"
 )
 
-var _ = log.Printf
-
 // fakeDriver is a fake database that implements Go's driver.Driver
 // interface, just for testing.
 //
diff --git a/libgo/go/database/sql/sql.go b/libgo/go/database/sql/sql.go
index 5c5b7dc..0f5bbc01 100644
--- a/libgo/go/database/sql/sql.go
+++ b/libgo/go/database/sql/sql.go
@@ -64,7 +64,7 @@ func unregisterAllDrivers() {
 func Drivers() []string {
 	driversMu.RLock()
 	defer driversMu.RUnlock()
-	var list []string
+	list := make([]string, 0, len(drivers))
 	for name := range drivers {
 		list = append(list, name)
 	}
@@ -2040,7 +2040,7 @@ func (tx *Tx) grabConn(ctx context.Context) (*driverConn, releaseConn, error) {
 		return nil, nil, ctx.Err()
 	}
 
-	// closeme.RLock must come before the check for isDone to prevent the Tx from
+	// closemu.RLock must come before the check for isDone to prevent the Tx from
 	// closing while a query is executing.
 	tx.closemu.RLock()
 	if tx.isDone() {
diff --git a/libgo/go/database/sql/sql_test.go b/libgo/go/database/sql/sql_test.go
index f68cefe..ed0099e 100644
--- a/libgo/go/database/sql/sql_test.go
+++ b/libgo/go/database/sql/sql_test.go
@@ -3783,7 +3783,7 @@ func (c *ctxOnlyConn) ExecContext(ctx context.Context, q string, args []driver.N
 // TestQueryExecContextOnly ensures drivers only need to implement QueryContext
 // and ExecContext methods.
 func TestQueryExecContextOnly(t *testing.T) {
-	// Ensure connection does not implment non-context interfaces.
+	// Ensure connection does not implement non-context interfaces.
 	var connType driver.Conn = &ctxOnlyConn{}
 	if _, ok := connType.(driver.Execer); ok {
 		t.Fatalf("%T must not implement driver.Execer", connType)