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-rw-r--r--test/fixedbugs/issue30476.go30
1 files changed, 30 insertions, 0 deletions
diff --git a/test/fixedbugs/issue30476.go b/test/fixedbugs/issue30476.go
new file mode 100644
index 0000000..a2147ec
--- /dev/null
+++ b/test/fixedbugs/issue30476.go
@@ -0,0 +1,30 @@
+// 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.
+
+// Issue 30476: KeepAlive didn't keep stack object alive.
+
+package main
+
+import "runtime"
+
+func main() {
+ x := new([10]int)
+ runtime.SetFinalizer(x, func(*[10]int) { panic("FAIL: finalizer runs") })
+ p := &T{x, 0}
+ use(p)
+ runtime.GC()
+ runtime.GC()
+ runtime.GC()
+ runtime.KeepAlive(p)
+}
+
+type T struct {
+ x *[10]int
+ y int
+}
+
+//go:noinline
+func use(*T) {}