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Enable fuzzing for relaxed atomics#8664

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fuzz-relaxed
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Enable fuzzing for relaxed atomics#8664
stevenfontanella wants to merge 1 commit intomainfrom
fuzz-relaxed

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@stevenfontanella stevenfontanella commented Apr 30, 2026

Part of #8165. V8 now supports relaxed atomics with the --experimental-wasm-acquire-release flag.

cc @rmahdav

@stevenfontanella stevenfontanella marked this pull request as ready for review May 1, 2026 17:22
@stevenfontanella stevenfontanella requested a review from a team as a code owner May 1, 2026 17:22
@stevenfontanella stevenfontanella requested review from kripken and removed request for a team May 1, 2026 17:22
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lgtm, though I wonder if this might start to fuzz testcases with wait/notify, and cause hangs? I'm not sure what testcases we have for this feature. And do we generate anything for it in fuzzing.cpp?

But if you run the fuzzer for a while and things seem ok, it's probably fine.

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lgtm, though I wonder if this might start to fuzz testcases with wait/notify, and cause hangs? I'm not sure what testcases we have for this feature. And do we generate anything for it in fuzzing.cpp?

But if you run the fuzzer for a while and things seem ok, it's probably fine.

Wait and notify aren't part of the proposal, see the spec test. I'll fuzz for a few hours before submitting.

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