go/test/fixedbugs/issue74379b.go

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// run
// Copyright 2025 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 (
"errors"
"fmt"
"os"
)
func crashOnErr(err error) int {
if err != nil {
panic(err)
}
return 10
}
func main() {
defer func() {
if recover() == nil {
fmt.Println("failed to have expected panic")
os.Exit(1)
}
}()
s := make([]int, crashOnErr(errors.New("test error")))
println("unreachable: len(s) =", len(s))
}