[Bug tree-optimization/98726] [10/11 Regression] SVE: tree check: expected integer_cst, have poly_int_cst in to_wide, at tree.h:5984

[rsandifo at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98726

--- Comment #9 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> 
---
I think we should do a variation on (3): use poly-int subtraction
in rtx_vector_builder::step but force the returned value to a constant
using to_constant ().  The justification is that the encoding
requires the step to be constant, but doesn't require the individual
elements to be.