1 files changed, 29 insertions, 0 deletions
diff --git a/test/fixedbugs/issue46938.go b/test/fixedbugs/issue46938.go
new file mode 100644
index 0000000000..87532d4769
--- /dev/null
+++ b/test/fixedbugs/issue46938.go
@@ -0,0 +1,29 @@
+// run -gcflags="-d=checkptr"
+
+// Copyright 2021 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"
+	"unsafe"
+)
+
+func main() {
+	defer func() {
+		err := recover()
+		if err == nil {
+			panic("expected panic")
+		}
+		if got := err.(error).Error(); !strings.Contains(got, "slice bounds out of range") {
+			panic("expected panic slice out of bound, got " + got)
+		}
+	}()
+	s := make([]int64, 100)
+	p := unsafe.Pointer(&s[0])
+	n := 1000
+
+	_ = (*[10]int64)(p)[:n:n]
+}