From b369c202bbd0b33dcb5cbf7c260c9cbca664c767 Mon Sep 17 00:00:00 2001
From: stevenfontanella <stevenfont@chromium.org>
Date: Wed, 22 Jul 2026 22:56:24 +0000
Subject: [PATCH] Revert "Disable fuzzing for relaxed atomics (#8909)"

This reverts commit 892d2f6ff81a68164b75b190dcac23f7a5367aaf.
---
 scripts/bundle_clusterfuzz.py | 1 -
 scripts/clusterfuzz/run.py    | 3 +--
 scripts/fuzz_opt.py           | 1 -
 scripts/test/shared.py        | 1 +
 4 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/scripts/bundle_clusterfuzz.py b/scripts/bundle_clusterfuzz.py
index 1b8d59c6ae9..5dcf56e86dc 100755
--- a/scripts/bundle_clusterfuzz.py
+++ b/scripts/bundle_clusterfuzz.py
@@ -109,7 +109,6 @@
     '--disable-fp16',
     '--disable-strings',
     '--disable-stack-switching',
-    '--disable-relaxed-atomics',
     '--disable-multibyte',
 ]
 
diff --git a/scripts/clusterfuzz/run.py b/scripts/clusterfuzz/run.py
index f7c48b1b047..b98c5658c50 100755
--- a/scripts/clusterfuzz/run.py
+++ b/scripts/clusterfuzz/run.py
@@ -33,7 +33,7 @@
 
 # The V8 flags we put in the "fuzzer flags" files, which tell ClusterFuzz how to
 # run V8. By default we apply all staging flags.
-FUZZER_FLAGS = '--wasm-staging --experimental-wasm-custom-descriptors --experimental-wasm-js-interop --experimental-wasm-wide-arithmetic'
+FUZZER_FLAGS = '--wasm-staging --experimental-wasm-custom-descriptors --experimental-wasm-js-interop --experimental-wasm-acquire-release --experimental-wasm-wide-arithmetic'
 
 # Optional V8 flags to add to FUZZER_FLAGS, some of the time.
 OPTIONAL_FUZZER_FLAGS = [
@@ -94,7 +94,6 @@
     '--disable-fp16',
     '--disable-strings',
     '--disable-stack-switching',
-    '--disable-relaxed-atomics',
 ]
 
 
diff --git a/scripts/fuzz_opt.py b/scripts/fuzz_opt.py
index 830504fe323..55dce6dc47c 100755
--- a/scripts/fuzz_opt.py
+++ b/scripts/fuzz_opt.py
@@ -75,7 +75,6 @@
     'fp16',
     'strings',
     'stack-switching',
-    'relaxed-atomics',
     'multibyte',
 ]
 
diff --git a/scripts/test/shared.py b/scripts/test/shared.py
index 08d35710b9c..5e3cd208270 100644
--- a/scripts/test/shared.py
+++ b/scripts/test/shared.py
@@ -266,6 +266,7 @@ def has_shell_timeout():
     '--experimental-wasm-fp16',
     '--experimental-wasm-custom-descriptors',
     '--experimental-wasm-js-interop',
+    '--experimental-wasm-acquire-release',
     '--experimental-wasm-wide-arithmetic',
 ]