[Bug middle-end/124491] [14/15 Regression] ICE in fold_vec_perm during ccp with -msve-vector-bits=256

[rguenther at suse dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124491

--- Comment #6 from rguenther at suse dot de <rguenther at suse dot de> ---
On Mon, 16 Mar 2026, acoplan at gcc dot gnu.org wrote:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124491
> 
> --- Comment #4 from Alex Coplan <acoplan at gcc dot gnu.org> ---
> So the cherry-picks of:
> 
> 847155f2ca2 middle-end/123573 - fix VEC_PERM folding more
> 62149da4a20 middle-end/123175 - fix parts of const VEC_PERM with relaxed input
> sizes
> 
> to the 15 branch also survived bootstrap & regtest on aarch64.  OK to push
> those to GCC 15?  I suppose we should add an aarch64 test with the testcase
> from #c0 too, I can prepare a patch to do that.

It's OK to backport those.