tests/ui/linkage-attr/linkage-detect-local-generated-name-collision.rs

   1 // build-fail
   2 // FIXME(#83838) codegen-units=1 triggers llvm asserts
   3 // compile-flags: -Ccodegen-units=16
   4 #![feature(linkage)]
   5
   6 mod dep1 {
   7     extern "C" {
   8         #[linkage = "external"]
   9         #[no_mangle]
  10         pub static collision: *const i32; //~ ERROR symbol `collision` is already defined
  11     }
  12 }
  13
  14 #[no_mangle]
  15 pub static _rust_extern_with_linkage_collision: i32 = 0;
  16
  17 mod dep2 {
  18     #[no_mangle]
  19     pub static collision: usize = 0;
  20 }
  21
  22 fn main() {
  23     unsafe {
  24         println!("{:p}", &dep1::collision);
  25     }
  26 }