[Webkit-unassigned] [Bug 162316] The write barrier should be down with TSO

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=162316

--- Comment #1 from Filip Pizlo <fpizlo at apple.com> ---
It needs an mfence/dmbish.  We can either make this unconditional, if it's fast enough, or we can do hacks.

I'll try unconditional first.

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