// ARM Cortex-M are a class of processors supported by the rust compiler. However,
// they cannot support any atomic features, such as Arc. This test simply prints
// the configuration details of one Cortex target, and checks that the compiler
// does not falsely list atomic support.
// See https://github.com/rust-lang/rust/pull/36874

use run_make_support::rustc;

// The target used below doesn't support atomic CAS operations. Verify that's the case
fn main() {
    rustc()
        .print("cfg")
        .target("thumbv6m-none-eabi")
        .run()
        .assert_stdout_not_contains(r#"target_has_atomic="ptr""#);
}