Initial commit: Go 1.23 release state

test/fixedbugs/issue20811.go

@@ -0,0 +1,23 @@
+// run
+
+// Copyright 2017 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.
+
+// Issue 20811: slice-in-bound check is lowered incorrectly on
+// amd64p32.
+
+package main
+
+func main() {
+	i := g()
+	_ = "x"[int32(i)]
+	j := g()
+	_ = "x"[:int32(j)]
+}
+
+//go:noinline
+func g() int64 {
+	return 4398046511104
+}
+