2 files changed, 17 insertions, 0 deletions
diff --git a/src/test/ui/issues/auxiliary/issue-51798.rs b/src/test/ui/issues/auxiliary/issue-51798.rs
new file mode 100644
index 00000000000..fef5213db9f
--- /dev/null
+++ b/src/test/ui/issues/auxiliary/issue-51798.rs
@@ -0,0 +1,3 @@
+#![crate_type = "lib"]
+
+pub fn vec() -> Vec<u8> { vec![] }
diff --git a/src/test/ui/issues/issue-51798.rs b/src/test/ui/issues/issue-51798.rs
new file mode 100644
index 00000000000..b075809e93a
--- /dev/null
+++ b/src/test/ui/issues/issue-51798.rs
@@ -0,0 +1,14 @@
+// edition:2018
+// aux-build:issue-51798.rs
+// check-pass
+
+extern crate issue_51798;
+
+mod server {
+    fn f() {
+        let mut v = issue_51798::vec();
+        v.clear();
+    }
+}
+
+fn main() {}