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go/test/fixedbugs/issue51401.go

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// run
// 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.
// Issue 51401: bad inline info in generated interface method wrapper
// causes infinite loop in stack unwinding.
package main
import "runtime"
type Outer interface{ Inner }
type impl struct{}
func New() Outer { return &impl{} }
type Inner interface {
DoStuff() error
}
func (a *impl) DoStuff() error {
return newError()
}
func newError() error {
stack := make([]uintptr, 50)
runtime.Callers(2, stack[:])
return nil
}
func main() {
funcs := listFuncs(New())
for _, f := range funcs {
f()
}
}
func listFuncs(outer Outer) []func() error {
return []func() error{outer.DoStuff}
}