[Bug middle-end/68117] [6 Regression] error: invalid PHI argument <<< Unknown tree: <invalid tree code> >>>

["trippels at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68117

--- Comment #22 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
(In reply to Joost VandeVondele from comment #21)
> likely so, since my testcase is Fortran based. For me the nightly build of
> CP2K now fails with 
> 
> /data/vjoost/gnu/cp2k/cp2k/makefiles/../src/pw_spline_utils.F:2303:0:
> 
>    SUBROUTINE add_fine2coarse(fine_values_pw,coarse_coeffs_pw,&
> 
> 
> internal compiler error: Segmentation fault
> 0xb525df crash_signal
>         ../../gcc/gcc/toplev.c:336
> 0x1322c4c dr_misalignment
>         ../../gcc/gcc/tree-vectorizer.h:889
> 0x1322c4c aligned_access_p
>         ../../gcc/gcc/tree-vectorizer.h:902
> 0x1322c4c vect_supportable_dr_alignment(data_reference*, bool)
>         ../../gcc/gcc/tree-vect-data-refs.c:5863
> 0xd96d9f vectorizable_load
>         ../../gcc/gcc/tree-vect-stmts.c:6706
> 0xda061d vect_transform_stmt(gimple*, gimple_stmt_iterator*, bool*,
> _slp_tree*, _slp_instance*)
>         ../../gcc/gcc/tree-vect-stmts.c:7998
> 0xdc0a31 vect_schedule_slp_instance
>         ../../gcc/gcc/tree-vect-slp.c:3468
> 
> not sure if it is related.

No, that is PR68324 caused by Richi's recent vectorizer changes.