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-rw-r--r--misc/cgo/test/issue21897.go11
-rw-r--r--misc/cgo/test/issue21897b.go2
-rw-r--r--misc/cgo/test/issue24161_darwin_test.go8
3 files changed, 19 insertions, 2 deletions
diff --git a/misc/cgo/test/issue21897.go b/misc/cgo/test/issue21897.go
index d13246bd84..454a141827 100644
--- a/misc/cgo/test/issue21897.go
+++ b/misc/cgo/test/issue21897.go
@@ -2,7 +2,16 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build darwin,cgo,!internal
+// We skip this test in race mode because, for unknown reasons,
+// linking against CoreFoundation on macOS 10.10 causes mmap to ignore
+// the hint address, which makes the Go allocator incompatible with
+// TSAN. See golang.org/issue/26475.
+//
+// TODO(austin): Once support for macOS 10.10 is dropped, remove the
+// race constraint (and the one in issue21897b.go). See
+// golang.org/issue/26513.
+
+// +build darwin,cgo,!internal,!race
package cgotest
diff --git a/misc/cgo/test/issue21897b.go b/misc/cgo/test/issue21897b.go
index 08b5f4d808..e143bad086 100644
--- a/misc/cgo/test/issue21897b.go
+++ b/misc/cgo/test/issue21897b.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build !darwin !cgo internal
+// +build !darwin !cgo internal race
package cgotest
diff --git a/misc/cgo/test/issue24161_darwin_test.go b/misc/cgo/test/issue24161_darwin_test.go
index 10fdfbd1bc..48072ff121 100644
--- a/misc/cgo/test/issue24161_darwin_test.go
+++ b/misc/cgo/test/issue24161_darwin_test.go
@@ -2,6 +2,14 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
+// See issue21897.go and golang.org/issue/26475 for why this is
+// skipped in race mode.
+//
+// TODO(austin): Once support for macOS 10.10 is dropped, remove the
+// race constraint. See golang.org/issue/26513.
+
+// +build !race
+
package cgotest
import (