1 files changed, 12 insertions, 0 deletions
diff --git a/src/test/ui/macros/issue-78325-inconsistent-resolution.rs b/src/test/ui/macros/issue-78325-inconsistent-resolution.rs
new file mode 100644
index 000000000..919eca4f9
--- /dev/null
+++ b/src/test/ui/macros/issue-78325-inconsistent-resolution.rs
@@ -0,0 +1,12 @@
+macro_rules! define_other_core {
+    ( ) => {
+        extern crate std as core;
+        //~^ ERROR macro-expanded `extern crate` items cannot shadow names passed with `--extern`
+    };
+}
+
+fn main() {
+    core::panic!();
+}
+
+define_other_core!();