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-rw-r--r--src/test/ui/issues/issue-49934.rs30
1 files changed, 30 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-49934.rs b/src/test/ui/issues/issue-49934.rs
new file mode 100644
index 000000000..119d84a06
--- /dev/null
+++ b/src/test/ui/issues/issue-49934.rs
@@ -0,0 +1,30 @@
+#![feature(stmt_expr_attributes)]
+
+fn main() {
+ // fold_stmt (Item)
+ #[allow(dead_code)]
+ #[derive(Debug)] // should not warn
+ struct Foo;
+
+ // fold_stmt (Mac)
+ #[derive(Debug)] //~ ERROR `derive` may only be applied to `struct`s, `enum`s and `union`s
+ println!("Hello, world!");
+
+ // fold_stmt (Semi)
+ #[derive(Debug)] //~ ERROR `derive` may only be applied to `struct`s, `enum`s and `union`s
+ "Hello, world!";
+
+ // fold_stmt (Local)
+ #[derive(Debug)] //~ ERROR `derive` may only be applied to `struct`s, `enum`s and `union`s
+ let _ = "Hello, world!";
+
+ // visit_expr
+ let _ = #[derive(Debug)] "Hello, world!";
+ //~^ ERROR `derive` may only be applied to `struct`s, `enum`s and `union`s
+
+ let _ = [
+ // filter_map_expr
+ #[derive(Debug)] //~ ERROR `derive` may only be applied to `struct`s, `enum`s and `union`s
+ "Hello, world!",
+ ];
+}