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-rw-r--r--test/fixedbugs/issue19467.dir/mysync.go21
-rw-r--r--test/fixedbugs/issue19467.dir/z.go34
2 files changed, 55 insertions, 0 deletions
diff --git a/test/fixedbugs/issue19467.dir/mysync.go b/test/fixedbugs/issue19467.dir/mysync.go
new file mode 100644
index 0000000..d0e6fe0
--- /dev/null
+++ b/test/fixedbugs/issue19467.dir/mysync.go
@@ -0,0 +1,21 @@
+// Copyright 2017 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 mysync
+
+import "runtime"
+
+type WaitGroup struct {
+ Callers []uintptr
+}
+
+func (wg *WaitGroup) Add(x int) {
+ wg.Callers = make([]uintptr, 32)
+ n := runtime.Callers(1, wg.Callers)
+ wg.Callers = wg.Callers[:n]
+}
+
+func (wg *WaitGroup) Done() {
+ wg.Add(-1)
+}
diff --git a/test/fixedbugs/issue19467.dir/z.go b/test/fixedbugs/issue19467.dir/z.go
new file mode 100644
index 0000000..d381103
--- /dev/null
+++ b/test/fixedbugs/issue19467.dir/z.go
@@ -0,0 +1,34 @@
+// Copyright 2017 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 (
+ "./mysync"
+ "log"
+ "runtime"
+)
+
+func main() {
+ var wg mysync.WaitGroup
+ wg.Done()
+ ci := runtime.CallersFrames(wg.Callers)
+ frames := make([]runtime.Frame, 0, 4)
+ for {
+ frame, more := ci.Next()
+ frames = append(frames, frame)
+ if !more {
+ break
+ }
+ }
+ expecting := []string{
+ "mysync.(*WaitGroup).Add",
+ "mysync.(*WaitGroup).Done",
+ }
+ for i := 0; i < 2; i++ {
+ if frames[i].Function != expecting[i] {
+ log.Fatalf("frame %d: got %s, want %s", i, frames[i].Function, expecting[i])
+ }
+ }
+}