1 files changed, 65 insertions, 0 deletions
diff --git a/test/fixedbugs/issue59638.go b/test/fixedbugs/issue59638.go
new file mode 100644
index 0000000..bba6265
--- /dev/null
+++ b/test/fixedbugs/issue59638.go
@@ -0,0 +1,65 @@
+// build -gcflags=-l=4
+
+// Copyright 2023 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 p
+
+type Interface interface {
+	MonitoredResource() (resType string, labels map[string]string)
+	Done()
+}
+
+func Autodetect(x int) Interface {
+	return func() Interface {
+		func() Interface {
+			x++
+			Do(func() {
+				var ad, gd Interface
+
+				go func() {
+					defer gd.Done()
+					ad = aad()
+				}()
+				go func() {
+					defer ad.Done()
+					gd = aad()
+					defer func() { recover() }()
+				}()
+
+				autoDetected = ad
+				if gd != nil {
+					autoDetected = gd
+				}
+			})
+			return autoDetected
+		}()
+		return nil
+	}()
+}
+
+var autoDetected Interface
+var G int
+
+type If int
+
+func (x If) MonitoredResource() (resType string, labels map[string]string) {
+	return "", nil
+}
+
+//go:noinline
+func (x If) Done() {
+	G++
+}
+
+//go:noinline
+func Do(fn func()) {
+	fn()
+}
+
+//go:noinline
+func aad() Interface {
+	var x If
+	return x
+}