//ww:run-exit 42
// migrated from test/wcc/784_xmod_alias_struct_collide_run.c: #223 trigger — sa's *vtable alias peel must not halt on sb's same-leaf foreign struct.
package main;
import sa;
import sb;
fn cb(x: sa.s, v: i32) i32 = { return v + 100; };
export fn main() i32 = {
	let vt = sa.mkvt((&cb): *sa.reader);
	let st: sa.s = &vt;
	let r = sa.read(st, 5);
	let vt2 = sa.mkempty();
	let st2: sa.s = &vt2;
	let r2 = sa.read(st2, 5);
	if (r != 105) { return 11; };
	if (r2 != -1) { return 12; };
	return 42;
};