Add hard error and migration lint for unsafe attrs

1 files changed, 61 insertions, 0 deletions

diff --git a/tests/ui/rust-2024/unsafe-attributes/unsafe-attributes-fix.fixed b/tests/ui/rust-2024/unsafe-attributes/unsafe-attributes-fix.fixed
new file mode 100644
index 00000000000..6ebdff0334c
--- /dev/null
+++ b/tests/ui/rust-2024/unsafe-attributes/unsafe-attributes-fix.fixed
@@ -0,0 +1,61 @@
+//@ run-rustfix
+#![feature(unsafe_attributes)]
+#![deny(unsafe_attr_outside_unsafe)]
+
+macro_rules! tt {
+    ($e:tt) => {
+        #$e
+        extern fn foo() {}
+    }
+}
+
+macro_rules! ident {
+    ($e:ident) => {
+        #[unsafe($e)]
+        //~^ ERROR: unsafe attribute used without unsafe
+        //~| WARN this is accepted in the current edition
+        extern fn bar() {}
+    }
+}
+
+macro_rules! ident2 {
+    ($e:ident, $l:literal) => {
+        #[unsafe($e = $l)]
+        //~^ ERROR: unsafe attribute used without unsafe
+        //~| WARN this is accepted in the current edition
+        extern fn bars() {}
+    }
+}
+
+macro_rules! meta {
+    ($m:meta) => {
+        #[$m]
+        extern fn baz() {}
+    }
+}
+
+macro_rules! meta2 {
+    ($m:meta) => {
+        #[$m]
+        extern fn baw() {}
+    }
+}
+
+tt!([unsafe(no_mangle)]);
+//~^ ERROR: unsafe attribute used without unsafe
+//~| WARN this is accepted in the current edition
+ident!(no_mangle);
+meta!(unsafe(no_mangle));
+//~^ ERROR: unsafe attribute used without unsafe
+//~| WARN this is accepted in the current edition
+meta2!(unsafe(export_name = "baw"));
+//~^ ERROR: unsafe attribute used without unsafe
+//~| WARN this is accepted in the current edition
+ident2!(export_name, "bars");
+
+#[unsafe(no_mangle)]
+//~^ ERROR: unsafe attribute used without unsafe
+//~| WARN this is accepted in the current edition
+extern "C" fn one() {}
+
+fn main() {}