//ww:error "tuple element must be a scalar, str, slice, or tagged-union"
// Lifted from test/wcc/945_tuple_lit_declblind_run.c reject row
// "nested_tuple_arg" (#64/#68/rule-7): a NESTED-TUPLE tuple-arg element has
// no transport and stays rule-7 LOUD. The #64/#68 fix graduates ONLY a
// declared-tagged element; the TY_TUPLE/STRUCT/ARRAY arms are preserved, so a
// future widen-everything regression re-breaks this. The substring is the
// shared diagnostic body, byte-identical on both stages (no file:line, no
// cstage "ww: " prefix).
package main;
fn h(t: ((i32, i32), i64)) i32 = {
	return 0;
};
export fn main() i32 = {
	return h(((1, 2), 3));
};