Initial commit: Go 1.23 release state

test/fixedbugs/issue34966.go

@@ -0,0 +1,14 @@
+// compile -d=checkptr
+
+// Copyright 2019 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.
+
+package p
+
+import "unsafe"
+
+type ptr unsafe.Pointer
+
+func f(p ptr) *int { return (*int)(p) }
+func g(p ptr) ptr  { return ptr(uintptr(p) + 1) }