[Bug 58335] Works 10.8 but fails 10.9? But works with WINEDEBUG=+heap

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=58335

--- Comment #82 from Dmitry Timoshkov  ---
(In reply to Dmitry Timoshkov from comment #81)
> I'd guess that something is wrong with
> user_shared_data->ProcessorFeatures[PF_XSAVE_ENABLED] flags:
> https://gitlab.winehq.org/wine/wine/-/blob/master/dlls/ntdll/unix/
> signal_x86_64.c?ref_type=heads#L2754
> which leads to execution of xsave64 instead of fxsave64.

As a quick check does replacing 'jz 2f' by 'jmp 2f' on line 2755 help?