1 files changed, 26 insertions, 0 deletions
diff --git a/tests/ui/linkage-attr/linkage-detect-local-generated-name-collision.rs b/tests/ui/linkage-attr/linkage-detect-local-generated-name-collision.rs
new file mode 100644
index 00000000000..c1df9ccef22
--- /dev/null
+++ b/tests/ui/linkage-attr/linkage-detect-local-generated-name-collision.rs
@@ -0,0 +1,26 @@
+// build-fail
+// FIXME(#83838) codegen-units=1 triggers llvm asserts
+// compile-flags: -Ccodegen-units=16
+#![feature(linkage)]
+
+mod dep1 {
+    extern "C" {
+        #[linkage = "external"]
+        #[no_mangle]
+        pub static collision: *const i32; //~ ERROR symbol `collision` is already defined
+    }
+}
+
+#[no_mangle]
+pub static _rust_extern_with_linkage_collision: i32 = 0;
+
+mod dep2 {
+    #[no_mangle]
+    pub static collision: usize = 0;
+}
+
+fn main() {
+    unsafe {
+        println!("{:p}", &dep1::collision);
+    }
+}