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master
test/chan/select8.go
55 строк
826 B
Cherry Zhang
test: add a test for gccgo bug in handling break statement in a select
10 июл 2019, 21:02
10 июл 2019, 21:02
a1bcee4
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// run // Copyright 2019 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. // Test break statements in a select. // Gccgo had a bug in handling this. // Test 1,2,3-case selects, so it covers both the general // code path and the specialized optimizations for one- // and two-case selects. package main var ch = make(chan int) func main() { go func() { for { ch <- 5 } }() select { case <-ch: break panic("unreachable") } select { default: break panic("unreachable") } select { case <-ch: break panic("unreachable") default: break panic("unreachable") } select { case <-ch: break panic("unreachable") case ch <- 10: panic("unreachable") default: break panic("unreachable") } }