| //@ only-apple |
| //@ build-fail |
| //@ dont-check-compiler-stderr |
| //@ dont-check-compiler-stdout |
| |
| // Regression test for <https://github.com/rust-lang/rust/issues/139744>. |
| // Functions in the dynamic library marked with no_mangle should not be GC-ed. |
| |
| #![crate_type = "cdylib"] |
| |
| 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 }); |
| } |
| |
| //~? ERROR linking |
