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/run-pass-valgrind/unsized-locals/by-value-trait-objects-rust-call.rs b/src/test/run-pass-valgrind/unsized-locals/by-value-trait-objects-rust-call.rs
new file mode 100644
index 000000000..7f365ce2b
--- /dev/null
+++ b/src/test/run-pass-valgrind/unsized-locals/by-value-trait-objects-rust-call.rs
@@ -0,0 +1,55 @@
+#![feature(unsized_locals)]
+#![feature(unboxed_closures)]
+
+pub trait FnOnce<Args> {
+    type Output;
+    extern "rust-call" fn call_once(self, args: Args) -> Self::Output;
+}
+
+struct A;
+
+impl FnOnce<()> for A {
+    type Output = String;
+    extern "rust-call" fn call_once(self, (): ()) -> Self::Output {
+        format!("hello")
+    }
+}
+
+struct B(i32);
+
+impl FnOnce<()> for B {
+    type Output = String;
+    extern "rust-call" fn call_once(self, (): ()) -> Self::Output {
+        format!("{}", self.0)
+    }
+}
+
+struct C(String);
+
+impl FnOnce<()> for C {
+    type Output = String;
+    extern "rust-call" fn call_once(self, (): ()) -> Self::Output {
+        self.0
+    }
+}
+
+struct D(Box<String>);
+
+impl FnOnce<()> for D {
+    type Output = String;
+    extern "rust-call" fn call_once(self, (): ()) -> Self::Output {
+        *self.0
+    }
+}
+
+
+fn main() {
+    let x = *(Box::new(A) as Box<dyn FnOnce<(), Output = String>>);
+    assert_eq!(x.call_once(()), format!("hello"));
+    let x = *(Box::new(B(42)) as Box<dyn FnOnce<(), Output = String>>);
+    assert_eq!(x.call_once(()), format!("42"));
+    let x = *(Box::new(C(format!("jumping fox"))) as Box<dyn FnOnce<(), Output = String>>);
+    assert_eq!(x.call_once(()), format!("jumping fox"));
+    let x = *(Box::new(D(Box::new(format!("lazy dog")))) as Box<dyn FnOnce<(), Output = String>>);
+    assert_eq!(x.call_once(()), format!("lazy dog"));
+}