Initial commit: Go 1.23 release state

test/fixedbugs/issue59404.go

@@ -0,0 +1,61 @@
+// 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() Interface {
+	return func() Interface {
+		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
+	}()
+}
+
+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
+}