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-rw-r--r--test/fixedbugs/issue27201.go37
1 files changed, 37 insertions, 0 deletions
diff --git a/test/fixedbugs/issue27201.go b/test/fixedbugs/issue27201.go
new file mode 100644
index 0000000..0c9611f
--- /dev/null
+++ b/test/fixedbugs/issue27201.go
@@ -0,0 +1,37 @@
+// 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.
+
+package main
+
+import (
+ "runtime"
+ "strings"
+)
+
+func main() {
+ f(nil)
+}
+
+func f(p *int32) {
+ defer checkstack()
+ v := *p // panic should happen here, line 20
+ sink = int64(v) // not here, line 21
+}
+
+var sink int64
+
+func checkstack() {
+ _ = recover()
+ var buf [1024]byte
+ n := runtime.Stack(buf[:], false)
+ s := string(buf[:n])
+ if strings.Contains(s, "issue27201.go:21 ") {
+ panic("panic at wrong location")
+ }
+ if !strings.Contains(s, "issue27201.go:20 ") {
+ panic("no panic at correct location")
+ }
+}