[Bug tree-optimization/54779] split FRAME variables back into pieces

[ebotcazou at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54779

--- Comment #12 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> Do you have a GCC10 implementation that could be submitted in stage1, or has
> this been reviewed already earlier?

I should have one in a few weeks, but this indeed was reviewed and rejected
earlier.  The rationale given was that this should be done during the SRA pass
instead, but I disagree because I don't want it to be subject to the (complex)
heuristics used by the SRA pass.