File: multiple-declarations.rs

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rustc 1.87.0%2Bdfsg1-1
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//@ only-x86
//@ only-windows
//@ compile-flags: --crate-type lib --emit link
#![allow(clashing_extern_declarations)]
#[link(name = "foo", kind = "raw-dylib")]
extern "C" {
    fn f(x: i32);
}

pub fn lib_main() {
    #[link(name = "foo", kind = "raw-dylib")]
    extern "stdcall" {
        fn f(x: i32);
        //~^ ERROR multiple declarations of external function `f` from library `foo.dll` have different calling conventions
    }

    unsafe { f(42); }
}