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-rw-r--r--test/fixedbugs/issue46938.go29
1 files changed, 29 insertions, 0 deletions
diff --git a/test/fixedbugs/issue46938.go b/test/fixedbugs/issue46938.go
new file mode 100644
index 0000000..87532d4
--- /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]
+}