[Bug tree-optimization/78646] incorrect result type for pointer addition in slsr

[stefan at reservoir dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78646

--- Comment #5 from Stefan M Freudenberger <stefan at reservoir dot com> ---
This is the revised patch:

-  add_expr = fold_build2 (POINTER_PLUS_EXPR, TREE_TYPE (c->base_expr),
+  add_expr = fold_build2 (POINTER_PLUS_EXPR, c->cand_type,
                          c->base_expr, c->stride);