From 43a123c1ae6613b3efeed291fa552ecd909d3acf Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 16 Apr 2024 21:23:18 +0200 Subject: Adding upstream version 1.20.14. Signed-off-by: Daniel Baumann --- test/chan/select8.go | 55 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 test/chan/select8.go (limited to 'test/chan/select8.go') diff --git a/test/chan/select8.go b/test/chan/select8.go new file mode 100644 index 0000000..20bca3a --- /dev/null +++ b/test/chan/select8.go @@ -0,0 +1,55 @@ +// 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") + } +} -- cgit v1.2.3