rust/tests/run-make/a-b-a-linker-guard/rmake.rs

// ignore-tidy-linelength

// Test that if we build `b` against a version of `a` that has one set of types, it will not run
// with a dylib that has a different set of types.

use run_make_support::{run, run_fail, rustc};

fn main() {
    rustc()
        .input("a.rs")
        .cfg("x")
        .arg("-Zunstable-options")
        .arg("-Cprefer-dynamic")
        .arg("-Csymbol-mangling-version=legacy")
        .run();

    rustc()
        .input("b.rs")
        .arg("-Zunstable-options")
        .arg("-Cprefer-dynamic")
        .arg("-Csymbol-mangling-version=legacy")
        .run();

    run("b");

    rustc()
        .input("a.rs")
        .cfg("y")
        .arg("-Zunstable-options")
        .arg("-Cprefer-dynamic")
        .arg("-Csymbol-mangling-version=legacy")
        .run();

    run_fail("b");
}