1 files changed, 40 insertions, 0 deletions
diff --git a/tests/ui/cfg/diagnostics-reexport.rs b/tests/ui/cfg/diagnostics-reexport.rs
new file mode 100644
index 000000000..b9548e911
--- /dev/null
+++ b/tests/ui/cfg/diagnostics-reexport.rs
@@ -0,0 +1,40 @@
+pub mod inner {
+    #[cfg(FALSE)]
+    mod gone {
+        pub fn uwu() {}
+    }
+
+    #[cfg(FALSE)]
+    pub use super::uwu;
+    //~^ NOTE found an item that was configured out
+}
+
+pub use a::x;
+//~^ ERROR unresolved import `a::x`
+//~| NOTE no `x` in `a`
+
+mod a {
+    #[cfg(no)]
+    pub fn x() {}
+    //~^ NOTE found an item that was configured out
+}
+
+pub use b::{x, y};
+//~^ ERROR unresolved imports `b::x`, `b::y`
+//~| NOTE no `x` in `b`
+//~| NOTE no `y` in `b`
+
+mod b {
+    #[cfg(no)]
+    pub fn x() {}
+    //~^ NOTE found an item that was configured out
+    #[cfg(no)]
+    pub fn y() {}
+    //~^ NOTE found an item that was configured out
+}
+
+fn main() {
+    // There is no uwu at this path - no diagnostic.
+    inner::uwu(); //~ ERROR cannot find function
+    //~^ NOTE not found in `inner`
+}