[Bug middle-end/112822] [14 regression] ICE: invalid RHS for gimple memory store after r14-5831-gaae723d360ca26

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112822

--- Comment #5 from Martin Jambor <jamborm at gcc dot gnu.org> ---
The following should fix it.  I'll try a bit more to come up with a testcase
that would not require __builtin_vec_vsx_st but so far my simple attempts
failed. 


diff --git a/gcc/tree-sra.cc b/gcc/tree-sra.cc
index 3bd0c7a9af0..99a1b0a6d17 100644
--- a/gcc/tree-sra.cc
+++ b/gcc/tree-sra.cc
@@ -4219,11 +4219,15 @@ load_assign_lhs_subreplacements (struct access *lacc,
          if (racc && racc->grp_to_be_replaced)
            { 
              rhs = get_access_replacement (racc);
+             bool vce = false;
              if (!useless_type_conversion_p (lacc->type, racc->type))
-               rhs = fold_build1_loc (sad->loc, VIEW_CONVERT_EXPR,
-                                      lacc->type, rhs);
+               {
+                 rhs = fold_build1_loc (sad->loc, VIEW_CONVERT_EXPR,
+                                        lacc->type, rhs);
+                 vce = true;
+               }

-             if (racc->grp_partial_lhs && lacc->grp_partial_lhs)
+             if (lacc->grp_partial_lhs && (vce || racc->grp_partial_lhs))
                rhs = force_gimple_operand_gsi (&sad->old_gsi, rhs, true,
                                                NULL_TREE, true,
GSI_SAME_STMT);
            }