Initial commit: Go 1.23 release state

test/fixedbugs/issue13587.go

@@ -0,0 +1,19 @@
+// errorcheck -0 -l -d=wb
+
+// Copyright 2015 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Test write barrier for implicit assignments to result parameters
+// that have escaped to the heap.
+
+package issue13587
+
+import "errors"
+
+func escape(p *error)
+
+func F() (err error) {
+	escape(&err)
+	return errors.New("error") // ERROR "write barrier"
+}