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//@ run-pass
//@ ignore-windows-gnu: only statics marked with used can be GC-ed on windows-gnu
// Regression test for <https://github.com/rust-lang/rust/issues/139744>.
// Functions in the binary marked with no_mangle should be GC-ed if they
// are not indirectly referenced by main.
#![feature(used_with_arg)]
#[cfg_attr(windows, link(name = "this_lib_does_not_exist", kind = "raw-dylib"))]
unsafe extern "C" {
unsafe static THIS_SYMBOL_SHOULD_BE_UNDEFINED: usize;
}
#[unsafe(no_mangle)]
pub unsafe fn function_marked_with_no_mangle() {
println!("FUNCTION_MARKED_WITH_NO_MANGLE = {}", unsafe { THIS_SYMBOL_SHOULD_BE_UNDEFINED });
}
#[used(compiler)]
pub static FUNCTION_MARKED_WITH_USED: unsafe fn() = || {
println!("FUNCTION_MARKED_WITH_USED = {}", unsafe { THIS_SYMBOL_SHOULD_BE_UNDEFINED });
};
fn main() {
println!("MAIN");
}
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