From f80a857a4f5f57908c64a22f5de0e07df722227d Mon Sep 17 00:00:00 2001
From: Michael Pratt <mpratt@google.com>
Date: Thu, 18 Feb 2021 15:29:15 -0800
Subject: 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/sync/goyield_unsafe.go | 2 +-
 pkg/sync/mutex_unsafe.go   | 2 +-
 pkg/sync/runtime_unsafe.go | 6 ++++--
 3 files changed, 6 insertions(+), 4 deletions(-)

(limited to 'pkg/sync')

diff --git a/pkg/sync/goyield_unsafe.go b/pkg/sync/goyield_unsafe.go
index 672ee274d..f3cc12163 100644
--- a/pkg/sync/goyield_unsafe.go
+++ b/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.
 
diff --git a/pkg/sync/mutex_unsafe.go b/pkg/sync/mutex_unsafe.go
index 21084b857..4e49a9b89 100644
--- a/pkg/sync/mutex_unsafe.go
+++ b/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.
diff --git a/pkg/sync/runtime_unsafe.go b/pkg/sync/runtime_unsafe.go
index e925e2e5b..119ff832a 100644
--- a/pkg/sync/runtime_unsafe.go
+++ b/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
-- 
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