From 109ccdab2a7032d09b1d6a04aeb6ea214217fbd5 Mon Sep 17 00:00:00 2001
From: Nicholas Wiersma <nick@wiersma.co.za>
Date: Sun, 26 May 2024 14:27:02 +0200
Subject: [PATCH] fix: remove go linkname (#406)

---
 noescape.go | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/noescape.go b/noescape.go
index 09afed28..89078463 100644
--- a/noescape.go
+++ b/noescape.go
@@ -4,6 +4,18 @@ import (
 	"unsafe"
 )
 
-//go:linkname noescape runtime.noescape
-//go:noescape
-func noescape(p unsafe.Pointer) unsafe.Pointer
+// noescape hides a pointer from escape analysis.  noescape is
+// the identity function but escape analysis doesn't think the
+// output depends on the input.  noescape is inlined and currently
+// compiles down to zero instructions.
+// USE CAREFULLY!
+//
+// This function is taken from Go std lib:
+// https://github.com/golang/go/blob/master/src/runtime/stubs.go#L178
+//
+//nolint:govet,staticcheck
+//go:nosplit
+func noescape(p unsafe.Pointer) unsafe.Pointer {
+	x := uintptr(p)
+	return unsafe.Pointer(x ^ 0)
+}