Initial commit: Go 1.23 release state

test/fixedbugs/issue65417.go

@@ -0,0 +1,42 @@
+// run
+
+// Copyright 2024 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 main
+
+import (
+	"strings"
+	"unsafe"
+)
+
+func main() {
+	shouldPanic("runtime error: index out of range", func() { f(0) })
+	shouldPanic("runtime error: index out of range", func() { g(0) })
+}
+
+func f[T byte](t T) {
+	const str = "a"
+	_ = str[unsafe.Sizeof(t)]
+}
+
+func g[T byte](t T) {
+	const str = "a"
+	_ = str[unsafe.Sizeof(t)+0]
+}
+
+func shouldPanic(str string, f func()) {
+	defer func() {
+		err := recover()
+		if err == nil {
+			panic("did not panic")
+		}
+		s := err.(error).Error()
+		if !strings.Contains(s, str) {
+			panic("got panic " + s + ", want " + str)
+		}
+	}()
+
+	f()
+}