[Bug tree-optimization/127473] [17 Regression] ICE in vect_build_slp_tree_1 when building 2017 wrf_r since r17-4390-gd528b3e5314fde

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127473

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Oh, and this can only hit us for STMT_VINFO_GATHER_SCATTER_P analyzed DRs since
otherwise vect_analyze_data_ref_access will mark all non-grouped access as
unvectorizable when doing BB analysis.