Use array range beginning with one

include/elna/gcc/elna-tree.h

@@ -25,6 +25,7 @@ along with GCC; see the file COPYING3.  If not see
 #include "tree.h"
 #include "tree-iterator.h"
 #include "stringpool.h"
+#include "fold-const.h"
 
 #include "elna/boot/ast.h"
 #include "elna/boot/symbol.h"
@@ -97,6 +98,8 @@ namespace elna::gcc
         tree fndecl_type = build_function_type(return_type, TYPE_ARG_TYPES(*builtin));
         tree builtin_addr = build1_loc(call_location, ADDR_EXPR, build_pointer_type(fndecl_type), *builtin);
 
-        return build_call_nary(return_type, builtin_addr, sizeof...(Args), arguments...);
+        tree argument_trees[sizeof...(Args)] = {arguments...};
+
+        return fold_build_call_array(return_type, builtin_addr, sizeof...(Args), argument_trees);
     }
 }