https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58416

--- Comment #10 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to akrl from comment #9)
> Hello,
> 
> this is apparently affecting Emacs build as well [1].
> I there a suggested way we could work around this bug? Maybe a flag to
> prevent the optimization which we could use on affected systems?
> 
> Thanks
> 
>   Andrea
> 
> [1] <https://debbugs.gnu.org/cgi/bugreport.cgi?bug=72145>

The remaining issue is analyzed to be caused by SRA so you can check whether
-fno-tree-sra fixes it for you.

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