Adding upstream version 1.20.14.upstream/1.20.14upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 55 insertions, 0 deletions

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")
+	}
+}