[Bug target/94479] NetBSD: internal compiler error: in recompute_tree_invariant_for_addr_expr

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94479

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
I still can't reproduce the issue so can you please test the following patch
ontop of GCC 9?  It probably applies to GCC 8 as well.  Thanks.

diff --git a/gcc/gimplify.c b/gcc/gimplify.c
index bd8bd6d7e06..fb4a03eacd2 100644
--- a/gcc/gimplify.c
+++ b/gcc/gimplify.c
@@ -6095,7 +6095,10 @@ gimplify_addr_expr (tree *expr_p, gimple_seq *pre_p,
gimple_seq *post_p)
         an incomplete type.  Re-build ADDR_EXPRs in canonical form
         here.  */
       if (!types_compatible_p (TREE_TYPE (op0), TREE_TYPE (TREE_TYPE (expr))))
-       *expr_p = build_fold_addr_expr (op0);
+       {
+         *expr_p = build_fold_addr_expr (op0);
+         STRIP_USELESS_TYPE_CONVERSION (*expr_p);
+       }

       /* Make sure TREE_CONSTANT and TREE_SIDE_EFFECTS are set properly.  */
       recompute_tree_invariant_for_addr_expr (*expr_p);