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Re: My problem on x86-64
> But this sanity test doesn't consider complex values which are partially
> live, i.e. st(1) live but st(0) not. I'm not sure if the rest of
> reg-stack works correctly in this situation, but if yes, then this patch
> should make it not hickup in this situation (not tested except that it
> compiles, and doesn't make the testcase ICE).
> Honza: Will reg-stack create the correct compensation code in this case?
I believe that there is no need to create compensation since all the FP
registers are supposed to be dead when we get out of EH handler.
So I think your patch is fine. Thank you for looking into this!