Bless output of test borrowck/return-local-binding-from-desugaring.rs for Polonius
diff --git a/src/test/ui/borrowck/return-local-binding-from-desugaring.polonius.stderr b/src/test/ui/borrowck/return-local-binding-from-desugaring.polonius.stderr
new file mode 100644
index 0000000..c818379
--- /dev/null
+++ b/src/test/ui/borrowck/return-local-binding-from-desugaring.polonius.stderr
@@ -0,0 +1,16 @@
+error[E0716]: temporary value dropped while borrowed
+ --> $DIR/return-local-binding-from-desugaring.rs:26:18
+ |
+LL | for ref x in xs {
+ | ^^ creates a temporary which is freed while still in use
+...
+LL | }
+ | - temporary value is freed at the end of this statement
+LL | result
+ | ------ borrow later used here
+ |
+ = note: consider using a `let` binding to create a longer lived value
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0716`.
