Adding upstream version 1.21.8.upstream/1.21.8

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

1 files changed, 37 insertions, 0 deletions

diff --git a/test/fixedbugs/issue29190.go b/test/fixedbugs/issue29190.go
new file mode 100644
index 0000000..9f9b864
--- /dev/null
+++ b/test/fixedbugs/issue29190.go
@@ -0,0 +1,37 @@
+// run
+
+// Copyright 2018 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.
+
+package main
+
+import (
+	"strings"
+)
+
+type T struct{}
+
+const maxInt = int(^uint(0) >> 1)
+
+func main() {
+	s := make([]T, maxInt)
+	shouldPanic("len out of range", func() { s = append(s, T{}) })
+	var oneElem = make([]T, 1)
+	shouldPanic("len out of range", func() { s = append(s, oneElem...) })
+}
+
+func shouldPanic(str string, f func()) {
+	defer func() {
+		err := recover()
+		if err == nil {
+			panic("did not panic")
+		}
+		s := err.(error).Error()
+		if !strings.Contains(s, str) {
+			panic("got panic " + s + ", want " + str)
+		}
+	}()
+
+	f()
+}