1 files changed, 9 insertions, 0 deletions
diff --git a/src/test/ui/pathless-extern-ok.rs b/src/test/ui/pathless-extern-ok.rs
new file mode 100644
index 00000000000..0ffa5eb8940
--- /dev/null
+++ b/src/test/ui/pathless-extern-ok.rs
@@ -0,0 +1,9 @@
+// edition:2018
+// compile-flags:--extern alloc
+// build-pass
+
+// Test that `--extern alloc` will load from the sysroot without error.
+
+fn main() {
+    let _: Vec<i32> = alloc::vec::Vec::new();
+}