summaryrefslogtreecommitdiffstats
path: root/test/fixedbugs/issue23837.go
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--test/fixedbugs/issue23837.go70
1 files changed, 70 insertions, 0 deletions
diff --git a/test/fixedbugs/issue23837.go b/test/fixedbugs/issue23837.go
new file mode 100644
index 0000000..7ad5083
--- /dev/null
+++ b/test/fixedbugs/issue23837.go
@@ -0,0 +1,70 @@
+// 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
+
+//go:noinline
+func f(p, q *struct{}) bool {
+ return *p == *q
+}
+
+type T struct {
+ x struct{}
+ y int
+}
+
+//go:noinline
+func g(p, q *T) bool {
+ return p.x == q.x
+}
+
+//go:noinline
+func h(p, q func() struct{}) bool {
+ return p() == q()
+}
+
+func fi(p, q *struct{}) bool {
+ return *p == *q
+}
+
+func gi(p, q *T) bool {
+ return p.x == q.x
+}
+
+func hi(p, q func() struct{}) bool {
+ return p() == q()
+}
+
+func main() {
+ shouldPanic(func() { f(nil, nil) })
+ shouldPanic(func() { g(nil, nil) })
+ shouldPanic(func() { h(nil, nil) })
+ shouldPanic(func() { fi(nil, nil) })
+ shouldPanic(func() { gi(nil, nil) })
+ shouldPanic(func() { hi(nil, nil) })
+ n := 0
+ inc := func() struct{} {
+ n++
+ return struct{}{}
+ }
+ h(inc, inc)
+ if n != 2 {
+ panic("inc not called")
+ }
+ hi(inc, inc)
+ if n != 4 {
+ panic("inc not called")
+ }
+}
+
+func shouldPanic(x func()) {
+ defer func() {
+ if recover() == nil {
+ panic("did not panic")
+ }
+ }()
+ x()
+}