1 files changed, 20 insertions, 0 deletions
diff --git a/src/test/ui/extern-flag/multiple-opts.rs b/src/test/ui/extern-flag/multiple-opts.rs
new file mode 100644
index 000000000..3dc2f1d73
--- /dev/null
+++ b/src/test/ui/extern-flag/multiple-opts.rs
@@ -0,0 +1,20 @@
+// aux-crate:priv,noprelude:somedep=somedep.rs
+// compile-flags: -Zunstable-options
+// edition:2018
+
+// Test for multiple options to --extern. Can't test for errors from both
+// options at the same time, so this only checks that noprelude is honored.
+
+#![warn(exported_private_dependencies)]
+
+// Module to avoid adding to prelude.
+pub mod m {
+    extern crate somedep;
+    pub struct PublicType {
+        pub field: somedep::S,
+    }
+}
+
+fn main() {
+    somedep::somefun();  //~ ERROR failed to resolve
+}