https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88656
--- Comment #3 from Richard Earnshaw <rearnsha at gcc dot gnu.org> ---
(In reply to gerd from comment #2)
> Could it be that this is a duplicate of bug 88167?
>
> I compiled a gcc 7.4.0 patched with the fix for 88167 and now get this
> result:
>
> push {r4, lr}
> mov r3, r8
> mov r4, r9
> push {r3, r4}
> mov r0, lr
>
> The patch for bug 88167 seems to be just in trunk for now. As the problem is
> a regression in all releases till gcc 7 I'd prefer if it could be backported
> into the corresponding branches.
A regression is not a bug that applies in all previous releases. A regression
is where something worked in some previous releases but does not work now.
