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, 24 insertions, 0 deletions

diff --git a/src/test/ui/regions/regions-nested-fns.rs b/src/test/ui/regions/regions-nested-fns.rs
new file mode 100644
index 000000000..d9698ced3
--- /dev/null
+++ b/src/test/ui/regions/regions-nested-fns.rs
@@ -0,0 +1,24 @@
+fn ignore<T>(t: T) {}
+
+fn nested<'x>(x: &'x isize) {
+    let y = 3;
+    let mut ay = &y;
+    //~^ ERROR `y` does not live long enough [E0597]
+
+    ignore::<Box<dyn for<'z> FnMut(&'z isize)>>(Box::new(|z| {
+        ay = x;
+        ay = &y;
+        //~^ ERROR `y` does not live long enough
+        ay = z;
+        //~^ ERROR borrowed data escapes outside of closure [E0521]
+    }));
+
+    ignore::< Box<dyn for<'z> FnMut(&'z isize) -> &'z isize>>(Box::new(|z| {
+        if false { return x; }
+        //~^ ERROR lifetime may not live long enough
+        if false { return ay; }
+        return z;
+    }));
+}
+
+fn main() {}