golang issue49735 代码
文件路径：/src/go/types/testdata/fixedbugs/issue49735.go
/ Copyright 2022 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
func _[P1 any, P2 ~byte](s1 P1, s2 P2) {
_ = append(nil /* ERROR first argument to append must be a slice; have untyped nil */ , 0)
_ = append(s1 /* ERROR s1 .* has no core type */ , 0)
_ = append(s2 /* ERROR s2 .* has core type byte */ , 0)
}