[Webkit-unassigned] [Bug 179606] WebAssembly crash in UIWebView iOS 11

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=179606

--- Comment #2 from JF Bastien <jfbastien at apple.com> ---
Comment on attachment 326751
  --> https://bugs.webkit.org/attachment.cgi?id=326751
Bugfix Patch

Options.cpp does the following:

    if (!Options::useJIT())
        Options::useWebAssembly() = false;

That should cover some cases, but indeed doesn't cover the case where we dynamically discover that we can't allocate executable memory. I think we might want to update useJIT in that case and re-run the part that makes options consistent, since executable allocation runs early?

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