mirror of
https://github.com/golang/go
synced 2024-09-19 07:52:34 +00:00
1dcf658f6d
A fatal error used to happen when escassign-ing a multiple function return to a single node. However, the situation naturally appears when using "go f(g())" or "defer f(g())", because g() is escassign-ed to sink. Fixes #4529. R=golang-dev, lvd, minux.ma, rsc CC=golang-dev https://golang.org/cl/6920060
34 lines
573 B
Go
34 lines
573 B
Go
// compile
|
|
|
|
// Copyright 2012 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 4529: escape analysis crashes on "go f(g())"
|
|
// when g has multiple returns.
|
|
|
|
package main
|
|
|
|
type M interface{}
|
|
|
|
type A struct {
|
|
a string
|
|
b chan M
|
|
}
|
|
|
|
func (a *A) I() (b <-chan M, c chan<- M) {
|
|
a.b, c = make(chan M), make(chan M)
|
|
b = a.b
|
|
|
|
return
|
|
}
|
|
|
|
func Init(a string, b *A, c interface {
|
|
I() (<-chan M, chan<- M)
|
|
}) {
|
|
b.a = a
|
|
go b.c(c.I())
|
|
}
|
|
|
|
func (a *A) c(b <-chan M, _ chan<- M) {}
|