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, 16 insertions, 0 deletions

diff --git a/src/test/ui/span/regionck-unboxed-closure-lifetimes.rs b/src/test/ui/span/regionck-unboxed-closure-lifetimes.rs
new file mode 100644
index 000000000..60ccaa872
--- /dev/null
+++ b/src/test/ui/span/regionck-unboxed-closure-lifetimes.rs
@@ -0,0 +1,16 @@
+#![feature(rustc_attrs)]
+use std::ops::FnMut;
+
+fn main() { #![rustc_error] // rust-lang/rust#49855
+    let mut f;
+    {
+        let c = 1;
+        let c_ref = &c;
+        //~^ ERROR `c` does not live long enough
+        f = move |a: isize, b: isize| { a + b + *c_ref };
+    }
+    f.use_mut();
+}
+
+trait Fake { fn use_mut(&mut self) { } fn use_ref(&self) { }  }
+impl<T> Fake for T { }