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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
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// Copyright 2012 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Issue 4529: escape analysis crashes on "go f(g())"
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// when g has multiple returns.
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package main
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type M interface{}
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type A struct {
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a string
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b chan M
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}
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func (a *A) I() (b <-chan M, c chan<- M) {
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a.b, c = make(chan M), make(chan M)
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b = a.b
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return
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}
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func Init(a string, b *A, c interface {
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I() (<-chan M, chan<- M)
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}) {
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b.a = a
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go b.c(c.I())
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}
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func (a *A) c(b <-chan M, _ chan<- M) {}
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