Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 48 insertions, 0 deletions

diff --git a/tests/ui/nll/issue-52534-1.rs b/tests/ui/nll/issue-52534-1.rs
new file mode 100644
index 000000000..d9ea3ae42
--- /dev/null
+++ b/tests/ui/nll/issue-52534-1.rs
@@ -0,0 +1,48 @@
+struct Test;
+
+impl Test {
+    fn bar(&self, x: &u32) -> &u32 {
+        let x = 22;
+        &x
+//~^ ERROR cannot return reference to local variable
+    }
+}
+
+fn foo(x: &u32) -> &u32 {
+    let x = 22;
+    &x
+//~^ ERROR cannot return reference to local variable
+}
+
+fn baz(x: &u32) -> &&u32 {
+    let x = 22;
+    &&x
+//~^ ERROR cannot return value referencing local variable
+//~| ERROR cannot return reference to temporary value
+}
+
+fn foobazbar<'a>(x: u32, y: &'a u32) -> &'a u32 {
+    let x = 22;
+    &x
+//~^ ERROR cannot return reference to local variable
+}
+
+fn foobar<'a>(x: &'a u32) -> &'a u32 {
+    let x = 22;
+    &x
+//~^ ERROR cannot return reference to local variable
+}
+
+fn foobaz<'a, 'b>(x: &'a u32, y: &'b u32) -> &'a u32 {
+    let x = 22;
+    &x
+//~^ ERROR cannot return reference to local variable
+}
+
+fn foobarbaz<'a, 'b>(x: &'a u32, y: &'b u32, z: &'a u32) -> &'a u32 {
+    let x = 22;
+    &x
+//~^ ERROR cannot return reference to local variable
+}
+
+fn main() { }