Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 55 insertions, 0 deletions

diff --git a/src/test/ui/lub-glb/empty-binders-err.rs b/src/test/ui/lub-glb/empty-binders-err.rs
new file mode 100644
index 000000000..557480173
--- /dev/null
+++ b/src/test/ui/lub-glb/empty-binders-err.rs
@@ -0,0 +1,55 @@
+fn lt<'a: 'a>() -> &'a () {
+    &()
+}
+
+fn lt_in_fn<'a: 'a>() -> fn(&'a ()) {
+    |_| ()
+}
+
+struct Contra<'a>(fn(&'a ()));
+fn lt_in_contra<'a: 'a>() -> Contra<'a> {
+    Contra(|_| ())
+}
+
+fn covariance<'a, 'b, 'upper>(v: bool)
+where
+    'upper: 'a,
+    'upper: 'b,
+
+{
+    let _: &'upper () = match v {
+        //~^ ERROR lifetime may not live long enough
+        //~| ERROR lifetime may not live long enough
+        true => lt::<'a>(),
+        false => lt::<'b>(),
+    };
+}
+
+fn contra_fn<'a, 'b, 'lower>(v: bool)
+where
+    'a: 'lower,
+    'b: 'lower,
+
+{
+
+    let _: fn(&'lower ()) = match v {
+        //~^ ERROR lifetime may not live long enough
+        true => lt_in_fn::<'a>(),
+        false => lt_in_fn::<'b>(),
+    };
+}
+
+fn contra_struct<'a, 'b, 'lower>(v: bool)
+where
+    'a: 'lower,
+    'b: 'lower,
+
+{
+    let _: Contra<'lower> = match v {
+        //~^ ERROR lifetime may not live long enough
+        true => lt_in_contra::<'a>(),
+        false => lt_in_contra::<'b>(),
+    };
+}
+
+fn main() {}