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-rw-r--r--tests/ui/unresolved/unresolved-extern-mod-suggestion.rs5
1 files changed, 5 insertions, 0 deletions
diff --git a/tests/ui/unresolved/unresolved-extern-mod-suggestion.rs b/tests/ui/unresolved/unresolved-extern-mod-suggestion.rs
new file mode 100644
index 00000000000..a1bf0f210b2
--- /dev/null
+++ b/tests/ui/unresolved/unresolved-extern-mod-suggestion.rs
@@ -0,0 +1,5 @@
+extern crate core;
+use core;
+//~^ ERROR the name `core` is defined multiple times
+
+fn main() {}