[Webkit-unassigned] [Bug 276953] LLInt -> BBQ tiering up breaks wasm-vips

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=276953

--- Comment #2 from Kleis Auke Wolthuizen <webkit at kleisauke.nl> ---
Still reproducible on WebKitGTK 2.45.6. PR https://github.com/WebKit/WebKit/pull/31320 renamed the WebAssembly JSC options to Wasm, so you have to use this env variable to disable the LLInt -> BBQ tiering up code now:
"""
export JSC_wasmLLIntTiersUpToBBQ=0
"""

I was also able to reproduce this on an Apple Mac mini 2018 with both Safari versions 17.4 and 17.2.1. Interestingly, it's not reproducible on Safari versions 17.3, 17.4.1 and 17.6 on an Apple Mac mini M2 (2023) or Apple Mac mini M1 (2020), which might suggests that the issue is reproducible only on x86-64 architectures.

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