1 files changed, 7 insertions, 0 deletions
diff --git a/src/syscall/syscall.go b/src/syscall/syscall.go
index 3fd95798f..1f209ecd5 100644
--- a/src/syscall/syscall.go
+++ b/src/syscall/syscall.go
@@ -26,6 +26,8 @@
 //
 package syscall
 
+import "unsafe"
+
 // StringByteSlice is deprecated. Use ByteSliceFromString instead.
 // If s contains a NUL byte this function panics instead of
 // returning an error.
@@ -86,3 +88,8 @@ func (ts *Timespec) Nano() int64 {
 func (tv *Timeval) Nano() int64 {
 	return int64(tv.Sec)*1e9 + int64(tv.Usec)*1000
 }
+
+// use is a no-op, but the compiler cannot see that it is.
+// Calling use(p) ensures that p is kept live until that point.
+//go:noescape
+func use(p unsafe.Pointer)