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-rw-r--r--src/test/ui/nll/promoted-bounds.rs25
1 files changed, 25 insertions, 0 deletions
diff --git a/src/test/ui/nll/promoted-bounds.rs b/src/test/ui/nll/promoted-bounds.rs
new file mode 100644
index 000000000..5f95ae13c
--- /dev/null
+++ b/src/test/ui/nll/promoted-bounds.rs
@@ -0,0 +1,25 @@
+fn shorten_lifetime<'a, 'b, 'min>(a: &'a i32, b: &'b i32) -> &'min i32
+where
+ 'a: 'min,
+ 'b: 'min,
+{
+ if *a < *b {
+ &a
+ } else {
+ &b
+ }
+}
+
+fn main() {
+ let promoted_fn_item_ref = &shorten_lifetime;
+
+ let a = &5;
+ let ptr = {
+ let l = 3;
+ let b = &l; //~ ERROR does not live long enough
+ let c = promoted_fn_item_ref(a, b);
+ c
+ };
+
+ println!("ptr = {:?}", ptr);
+}