Add patch 7 & 8

patches/0008-Replace-atomic-Or-with-compare-and-swap-loop.patch

@@ -0,0 +1,40 @@
+From c63f37858041ffd2bcf751f57632c90d630eddc2 Mon Sep 17 00:00:00 2001
+From: Vorapol Rinsatitnon <vorapol.r@pm.me>
+Date: Thu, 18 Sep 2025 12:01:09 +0800
+Subject: [PATCH] Replace atomic Or with compare-and-swap loop
+
+---
+ src/sync/waitgroup.go | 17 +++++++++++++----
+ 1 file changed, 13 insertions(+), 4 deletions(-)
+
+diff --git a/src/sync/waitgroup.go b/src/sync/waitgroup.go
+index 5b035aa3..8aeae7bf 100644
+--- a/src/sync/waitgroup.go
++++ b/src/sync/waitgroup.go
+@@ -94,10 +94,19 @@ func (wg *WaitGroup) Add(delta int) {
+ 			fatal("sync: WaitGroup.Add called from multiple synctest bubbles")
+ 		case synctest.CurrentBubble:
+ 			bubbled = true
+-			state := wg.state.Or(waitGroupBubbleFlag)
+-			if state != 0 && state&waitGroupBubbleFlag == 0 {
+-				// Add has been called from outside this bubble.
+-				fatal("sync: WaitGroup.Add called from inside and outside synctest bubble")
++			// Use compare-and-swap loop to implement atomic Or operation
++			// since race detector doesn't have __tsan_go_atomic64_fetch_or
++			for {
++				old := wg.state.Load()
++				new := old | waitGroupBubbleFlag
++				if wg.state.CompareAndSwap(old, new) {
++					state := old
++					if state != 0 && state&waitGroupBubbleFlag == 0 {
++						// Add has been called from outside this bubble.
++						fatal("sync: WaitGroup.Add called from inside and outside synctest bubble")
++					}
++					break
++				}
+ 			}
+ 		}
+ 	}
+-- 
+2.47.2
+