Add go:build directives as required by Go 1.17's gofmt.

PiperOrigin-RevId: 385894869

10 files changed, 16 insertions, 12 deletions

diff --git a/pkg/sync/checklocks_off_unsafe.go b/pkg/sync/checklocks_off_unsafe.go
index 62c81b149..87c56dd12 100644
--- a/pkg/sync/checklocks_off_unsafe.go
+++ b/pkg/sync/checklocks_off_unsafe.go
@@ -3,6 +3,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build !checklocks
 // +build !checklocks
 
 package sync
diff --git a/pkg/sync/checklocks_on_unsafe.go b/pkg/sync/checklocks_on_unsafe.go
index 24f933ed1..f2bfde083 100644
--- a/pkg/sync/checklocks_on_unsafe.go
+++ b/pkg/sync/checklocks_on_unsafe.go
@@ -3,6 +3,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build checklocks
 // +build checklocks
 
 package sync
diff --git a/pkg/sync/goyield_go113_unsafe.go b/pkg/sync/goyield_go113_unsafe.go
index 8aee0d455..c4b03e9aa 100644
--- a/pkg/sync/goyield_go113_unsafe.go
+++ b/pkg/sync/goyield_go113_unsafe.go
@@ -3,8 +3,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build go1.13
-// +build !go1.14
+//go:build go1.13 && !go1.14
+// +build go1.13,!go1.14
 
 package sync
 
diff --git a/pkg/sync/goyield_unsafe.go b/pkg/sync/goyield_unsafe.go
index f3cc12163..8639bb64e 100644
--- a/pkg/sync/goyield_unsafe.go
+++ b/pkg/sync/goyield_unsafe.go
@@ -3,8 +3,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build go1.14
-// +build !go1.18
+//go:build go1.14 && !go1.18
+// +build go1.14,!go1.18
 
 // Check go:linkname function signatures when updating Go version.
 
diff --git a/pkg/sync/mutex_unsafe.go b/pkg/sync/mutex_unsafe.go
index b829765d9..e00d9467d 100644
--- a/pkg/sync/mutex_unsafe.go
+++ b/pkg/sync/mutex_unsafe.go
@@ -3,8 +3,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build go1.13
-// +build !go1.18
+//go:build go1.13 && !go1.18
+// +build go1.13,!go1.18
 
 // When updating the build constraint (above), check that syncMutex matches the
 // standard library sync.Mutex definition.
diff --git a/pkg/sync/norace_unsafe.go b/pkg/sync/norace_unsafe.go
index 70b5f3a5e..8eca99134 100644
--- a/pkg/sync/norace_unsafe.go
+++ b/pkg/sync/norace_unsafe.go
@@ -3,6 +3,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build !race
 // +build !race
 
 package sync
diff --git a/pkg/sync/race_amd64.s b/pkg/sync/race_amd64.s
index 57bc0ec79..199602387 100644
--- a/pkg/sync/race_amd64.s
+++ b/pkg/sync/race_amd64.s
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// +build race
-// +build amd64
+//go:build race && amd64
+// +build race,amd64
 
 #include "textflag.h"
 
diff --git a/pkg/sync/race_arm64.s b/pkg/sync/race_arm64.s
index 88f091fda..c4192e870 100644
--- a/pkg/sync/race_arm64.s
+++ b/pkg/sync/race_arm64.s
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// +build race
-// +build arm64
+//go:build race && arm64
+// +build race,arm64
 
 #include "textflag.h"
 
diff --git a/pkg/sync/race_unsafe.go b/pkg/sync/race_unsafe.go
index 59985c270..381163cac 100644
--- a/pkg/sync/race_unsafe.go
+++ b/pkg/sync/race_unsafe.go
@@ -3,6 +3,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build race
 // +build race
 
 package sync
diff --git a/pkg/sync/runtime_unsafe.go b/pkg/sync/runtime_unsafe.go
index 39c766331..1d9cf304e 100644
--- a/pkg/sync/runtime_unsafe.go
+++ b/pkg/sync/runtime_unsafe.go
@@ -3,8 +3,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build go1.13
-// +build !go1.18
+//go:build go1.13 && !go1.18
+// +build go1.13,!go1.18
 
 // Check go:linkname function signatures, type definitions, and constants when
 // updating Go version.