From ccd992355df7192993c666236047820244914598 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 16 Apr 2024 21:19:13 +0200 Subject: Adding upstream version 1.21.8. Signed-off-by: Daniel Baumann --- test/fixedbugs/issue4313.go | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 test/fixedbugs/issue4313.go (limited to 'test/fixedbugs/issue4313.go') diff --git a/test/fixedbugs/issue4313.go b/test/fixedbugs/issue4313.go new file mode 100644 index 0000000..2494b83 --- /dev/null +++ b/test/fixedbugs/issue4313.go @@ -0,0 +1,28 @@ +// run + +// 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. + +// Order of operations in select. + +package main + +func main() { + c := make(chan int, 1) + x := 0 + select { + case c <- x: // should see x = 0, not x = 42 (after makec) + case <-makec(&x): // should be evaluated only after c and x on previous line + } + y := <-c + if y != 0 { + panic(y) + } +} + +func makec(px *int) chan bool { + if false { for {} } + *px = 42 + return make(chan bool, 0) +} -- cgit v1.2.3