Revert "cmd/compile: rework marking of dead hidden closure functions"

This reverts commit http://go.dev/cl//484859

Reason for revert: causes linker errors in a number of google-internal tests.

Change-Id: I322252f784a46d2b1d447ebcdca86ce14bc0cc91
Reviewed-on: https://go-review.googlesource.com/c/go/+/485755
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Run-TryBot: Than McIntosh <thanm@google.com>

1 files changed, 0 insertions, 65 deletions

diff --git a/test/fixedbugs/issue59638.go b/test/fixedbugs/issue59638.go
deleted file mode 100644
index bba6265322..0000000000
--- a/test/fixedbugs/issue59638.go
+++ /dev/null
@@ -1,65 +0,0 @@
-// 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
-}