Bump build constraints to Go 1.18

These are bumped to allow early testing of Go 1.17. Use will be audited closer
to the 1.17 release.

PiperOrigin-RevId: 358278615

pkg/gohacks/gohacks_unsafe.go

@@ -13,7 +13,7 @@
 // limitations under the License.
 
 // +build go1.13
-// +build !go1.17
+// +build !go1.18
 
 // Check type signatures when updating Go version.
 

pkg/goid/goid.go

@@ -13,7 +13,7 @@
 // limitations under the License.
 
 // +build go1.12
-// +build !go1.17
+// +build !go1.18
 
 // Check type signatures when updating Go version.
 

pkg/procid/procid_amd64.s

@@ -14,7 +14,7 @@
 
 // +build amd64
 // +build go1.8
-// +build !go1.17
+// +build !go1.18
 
 #include "textflag.h"
 

pkg/procid/procid_arm64.s

@@ -14,7 +14,7 @@
 
 // +build arm64
 // +build go1.8
-// +build !go1.17
+// +build !go1.18
 
 #include "textflag.h"
 

pkg/sentry/platform/kvm/bluepill_unsafe.go

@@ -13,7 +13,7 @@
 // limitations under the License.
 
 // +build go1.12
-// +build !go1.17
+// +build !go1.18
 
 // Check go:linkname function signatures when updating Go version.
 

pkg/sentry/platform/kvm/machine_unsafe.go

@@ -13,7 +13,7 @@
 // limitations under the License.
 
 // +build go1.12
-// +build !go1.17
+// +build !go1.18
 
 // Check go:linkname function signatures when updating Go version.
 

pkg/sentry/platform/ptrace/subprocess_unsafe.go

@@ -13,7 +13,7 @@
 // limitations under the License.
 
 // +build go1.12
-// +build !go1.17
+// +build !go1.18
 
 // Check go:linkname function signatures when updating Go version.
 

pkg/sync/goyield_unsafe.go

@@ -4,7 +4,7 @@
 // license that can be found in the LICENSE file.
 
 // +build go1.14
-// +build !go1.17
+// +build !go1.18
 
 // Check go:linkname function signatures when updating Go version.
 

pkg/sync/mutex_unsafe.go

@@ -4,7 +4,7 @@
 // license that can be found in the LICENSE file.
 
 // +build go1.13
-// +build !go1.17
+// +build !go1.18
 
 // When updating the build constraint (above), check that syncMutex matches the
 // standard library sync.Mutex definition.

pkg/sync/runtime_unsafe.go

@@ -4,9 +4,10 @@
 // license that can be found in the LICENSE file.
 
 // +build go1.13
-// +build !go1.17
+// +build !go1.18
 
-// Check function signatures and constants when updating Go version.
+// Check go:linkname function signatures, type definitions, and constants when
+// updating Go version.
 
 package sync
 
@@ -95,6 +96,7 @@ func MapKeyHasher(m interface{}) func(unsafe.Pointer, uintptr) uintptr {
 	return mtyp.hasher
 }
 
+// maptype is equivalent to the beginning of runtime.maptype.
 type maptype struct {
 	size       uintptr
 	ptrdata    uintptr

pkg/tcpip/link/rawfile/blockingpoll_yield_unsafe.go

@@ -14,7 +14,7 @@
 
 // +build linux,amd64 linux,arm64
 // +build go1.12
-// +build !go1.17
+// +build !go1.18
 
 // Check go:linkname function signatures when updating Go version.
 

pkg/tcpip/time_unsafe.go

@@ -13,7 +13,7 @@
 // limitations under the License.
 
 // +build go1.9
-// +build !go1.17
+// +build !go1.18
 
 // Check go:linkname function signatures when updating Go version.