Adding upstream version 1.21.8.upstream/1.21.8

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

1 files changed, 36 insertions, 0 deletions

diff --git a/test/fixedbugs/bug483.go b/test/fixedbugs/bug483.go
new file mode 100644
index 0000000..8db6425
--- /dev/null
+++ b/test/fixedbugs/bug483.go
@@ -0,0 +1,36 @@
+// run
+
+// Copyright 2014 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 for a garbage collection bug involving not
+// marking x as having its address taken by &x[0]
+// when x is an array value.
+
+package main
+
+import (
+	"bytes"
+	"fmt"
+	"runtime"
+)
+
+func main() {
+	var x = [4]struct{ x, y interface{} }{
+		{"a", "b"},
+		{"c", "d"},
+		{"e", "f"},
+		{"g", "h"},
+	}
+
+	var buf bytes.Buffer
+	for _, z := range x {
+		runtime.GC()
+		fmt.Fprintf(&buf, "%s %s ", z.x.(string), z.y.(string))
+	}
+
+	if buf.String() != "a b c d e f g h " {
+		println("BUG wrong output\n", buf.String())
+	}
+}