Respect attributes on proc macro definitions

3 files changed, 43 insertions, 0 deletions

diff --git a/src/test/ui/proc-macro/attributes-on-definitions.rs b/src/test/ui/proc-macro/attributes-on-definitions.rs
new file mode 100644
index 00000000000..055781d2c60
--- /dev/null
+++ b/src/test/ui/proc-macro/attributes-on-definitions.rs
@@ -0,0 +1,12 @@
+// check-pass
+// aux-build:attributes-on-definitions.rs
+
+#![forbid(unsafe_code)]
+
+extern crate attributes_on_definitions;
+
+attributes_on_definitions::with_attrs!();
+//~^ WARN use of deprecated item
+// No errors about the use of unstable and unsafe code inside the macro.
+
+fn main() {}
diff --git a/src/test/ui/proc-macro/attributes-on-definitions.stderr b/src/test/ui/proc-macro/attributes-on-definitions.stderr
new file mode 100644
index 00000000000..c61e043b229
--- /dev/null
+++ b/src/test/ui/proc-macro/attributes-on-definitions.stderr
@@ -0,0 +1,8 @@
+warning: use of deprecated item 'attributes_on_definitions::with_attrs': test
+  --> $DIR/attributes-on-definitions.rs:8:1
+   |
+LL | attributes_on_definitions::with_attrs!();
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: `#[warn(deprecated)]` on by default
+
diff --git a/src/test/ui/proc-macro/auxiliary/attributes-on-definitions.rs b/src/test/ui/proc-macro/auxiliary/attributes-on-definitions.rs
new file mode 100644
index 00000000000..93a339840d6
--- /dev/null
+++ b/src/test/ui/proc-macro/auxiliary/attributes-on-definitions.rs
@@ -0,0 +1,23 @@
+// force-host
+// no-prefer-dynamic
+
+#![feature(allow_internal_unsafe)]
+#![feature(allow_internal_unstable)]
+
+#![crate_type = "proc-macro"]
+
+extern crate proc_macro;
+use proc_macro::*;
+
+#[proc_macro]
+#[allow_internal_unstable(proc_macro_internals)]
+#[allow_internal_unsafe]
+#[deprecated(since = "1.0.0", note = "test")]
+pub fn with_attrs(_: TokenStream) -> TokenStream {
+    "
+    extern crate proc_macro;
+    use ::proc_macro::bridge;
+
+    fn contains_unsafe() { unsafe {} }
+    ".parse().unwrap()
+}