1 files changed, 16 insertions, 0 deletions
diff --git a/tests/incremental/incremental_proc_macro.rs b/tests/incremental/incremental_proc_macro.rs
new file mode 100644
index 000000000..becc1538f
--- /dev/null
+++ b/tests/incremental/incremental_proc_macro.rs
@@ -0,0 +1,16 @@
+// aux-build:incremental_proc_macro_aux.rs
+// revisions: cfail1 cfail2
+// build-pass (FIXME(62277): could be check-pass?)
+
+// This test makes sure that we still find the proc-macro registrar function
+// when we compile proc-macros incrementally (see #47292).
+
+#![crate_type = "rlib"]
+
+#[macro_use]
+extern crate incremental_proc_macro_aux;
+
+#[derive(IncrementalMacro)]
+pub struct Foo {
+    x: u32
+}