Add test for rust-lang#69596

Author: Zoxc

src/test/incremental/issue-69596.rs

@@ -0,0 +1,21 @@
+// revisions: rpass1 rpass2
+
+#![allow(unused_imports)]
+
+#[macro_export]
+macro_rules! a_macro {
+    () => {};
+}
+
+#[cfg(rpass1)]
+use a_macro as same_name;
+
+mod same_name {}
+
+mod needed_mod {
+    fn _crash() {
+        use super::same_name;
+    }
+}
+
+fn main() {}