1 files changed, 10 insertions, 0 deletions
diff --git a/rust/proc-macro2/probe.rs b/rust/proc-macro2/probe.rs
new file mode 100644
index 000000000000..b67f52036218
--- /dev/null
+++ b/rust/proc-macro2/probe.rs
@@ -0,0 +1,10 @@
+#![allow(dead_code)]
+
+#[cfg(proc_macro_span)]
+pub(crate) mod proc_macro_span;
+
+#[cfg(proc_macro_span_file)]
+pub(crate) mod proc_macro_span_file;
+
+#[cfg(proc_macro_span_location)]
+pub(crate) mod proc_macro_span_location;