[Webkit-unassigned] [Bug 252722] [Wasm-GC] wasm-b3 test config in run-jsc-stress-tests script doesn't run B3

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Feb 23 15:45:44 PST 2023


https://bugs.webkit.org/show_bug.cgi?id=252722

--- Comment #1 from Tim Chevalier <tjc at igalia.com> ---
Asumu suggested that the change might be due to this commit from last week:

https://github.com/WebKit/WebKit/commit/46375fbc5a6710ec3e2fd10848009e31b307b741

In particular, this change to `BBQPlan::planGeneratesLoopOSREntrypoints()`:

https://github.com/WebKit/WebKit/commit/46375fbc5a6710ec3e2fd10848009e31b307b741#diff-2f666bcf8afdb33c316380e643aa65ede3fa2d8ee0dfa57a3d45fca00fcd4d9dL72

changes the meaning of the `--wasmBBQUsesAir` flag, which the run-jsc-stress-test script uses to enable B3.

If I add this to the top of the method:

```
    if (!Options::wasmBBQUsesAir())
        return false;
```

then B3 does run in the wasm-b3 config. But I'm not sure if that's the right solution.

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