[Webkit-unassigned] [Bug 210685] REGRESSION(r251875): Crash in JSC::StructureIDTable::get on ppc64le: gcSafeMemcpy broken on JSVALUE64 platforms other than x86_64 and aarch64

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=210685

Daniel Kolesa <daniel at octaforge.org> changed:

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--- Comment #38 from Daniel Kolesa <daniel at octaforge.org> ---
Created attachment 398767

  --> https://bugs.webkit.org/attachment.cgi?id=398767&action=review

updated to use compile-time guards

This updates the patch to use compile-time guards. The second USE(JSVALUE64) was not necessary, since the whle thing is wrapped in USE(JSVALUE64) above that, so instead I replaced it with arch guards, which effectively caused the slow path to be taken for other JSVALUE64 archs always (plain memcpy fallback for non-JSVALUE64 works as before).

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