https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103523
--- Comment #1 from Tamar Christina <tnfchris at gcc dot gnu.org> ---
An additional ICE seen on a month old tree is
during GIMPLE pass: veclower2
zbuf.i: In function 'd':
zbuf.i:3:1: internal compiler error: in to_constant, at poly-int.h:504
0xbc9494 poly_int_pod<2u, unsigned long>::to_constant() const
/buildAgent/src/gcc/gcc/poly-int.h:504
0x17c16af nunits_for_known_piecewise_op
/buildAgent/src/gcc/gcc/tree-vect-generic.c:101
0x17c2377 expand_vector_piecewise
/buildAgent/src/gcc/gcc/tree-vect-generic.c:315
0x17c75e5 expand_vector_operation
/buildAgent/src/gcc/gcc/tree-vect-generic.c:1254
0x17cde8e expand_vector_operations_1
/buildAgent/src/gcc/gcc/tree-vect-generic.c:2331
0x17ce083 expand_vector_operations
/buildAgent/src/gcc/gcc/tree-vect-generic.c:2365
0x17ce25a execute
/buildAgent/src/gcc/gcc/tree-vect-generic.c:2451
unsure if this was fixed or just hidden...
