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During anylit run, nodes such as SLICEARR(statictmp, [:]) may be generated and are expected to be found unchanged by gen_as_init. In some walks (in particular walkselect), the statement may be walked again and lowered to its usual form, leading to a crash. Fixes #8017. Fixes #8024. Fixes #8058. LGTM=rsc R=golang-codereviews, dvyukov, gobot, rsc CC=golang-codereviews https://golang.org/cl/112080043
27 lines
541 B
Go
27 lines
541 B
Go
// compile
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// Copyright 2014 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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// Issues 8017 and 8058: walk modifies nodes generated
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// by slicelit and causes an internal error afterwards
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// when gen_as_init parses it back.
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package main
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func F() {
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var ch chan int
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select {
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case <-ch:
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case <-make(chan int, len([2][]int{([][]int{})[len(ch)], []int{}})):
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}
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}
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func G() {
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select {
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case <-([1][]chan int{[]chan int{}})[0][0]:
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default:
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}
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}
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