Backport Firefox patch to mark JIT pages as non-writable
We might get away with keeping JIT enabled as long as we mark JIT pages as non-writable. For a patch and the underlying discussion see: https://bugzilla.mozilla.org/show_bug.cgi?id=977805.
We might get away with keeping JIT enabled as long as we mark JIT pages as non-writable. For a patch and the underlying discussion see: https://bugzilla.mozilla.org/show_bug.cgi?id=977805.