https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64055
--- Comment #4 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
ix86_function_arg_advance calls chkp_type_bounds_count which dies on an array
type with variable bounds so the immediate workaround is:
Index: tree-chkp.c
===================================================================
--- tree-chkp.c (revision 218133)
+++ tree-chkp.c (working copy)
@@ -1565,7 +1565,9 @@ chkp_find_bound_slots_1 (const_tree type
HOST_WIDE_INT esize = TREE_INT_CST_LOW (TYPE_SIZE (etype));
unsigned HOST_WIDE_INT cur;
- if (!maxval || integer_minus_onep (maxval))
+ if (!maxval
+ || integer_minus_onep (maxval)
+ || CONTAINS_PLACEHOLDER_P (maxval))
return;
for (cur = 0; cur <= TREE_INT_CST_LOW (maxval); cur++)
but a specialist needs to have a look here.
