// A `#foreign` ref must name something real (PLAN-C C3.1): `nosuchunit`
// names neither a #library constant nor a named `#import c` unit, so
// this is a compile-time diagnostic — a typo'd ref previously compiled
// and resolved silently through whatever image carried the symbol.
// Regression (PLAN-C C0.2b xfail, flipped by C3.1).
#import "modules/std.sx";

refs :: #import c {
    #source "1620-cimport-foreign-ref-unvalidated/ref.c";
};

ref_answer :: () -> i32 #foreign nosuchunit "ref_answer";

main :: () -> i32 {
    print("ref = {}\n", ref_answer());
    0
}