Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 32 insertions, 0 deletions

diff --git a/tests/ui/unop-move-semantics.rs b/tests/ui/unop-move-semantics.rs
new file mode 100644
index 000000000..8168da824
--- /dev/null
+++ b/tests/ui/unop-move-semantics.rs
@@ -0,0 +1,32 @@
+// Test that move restrictions are enforced on overloaded unary operations
+
+use std::ops::Not;
+
+fn move_then_borrow<T: Not<Output=T> + Clone>(x: T) {
+    !x;
+
+    x.clone();  //~ ERROR: borrow of moved value
+}
+
+fn move_borrowed<T: Not<Output=T>>(x: T, mut y: T) {
+    let m = &x;
+    let n = &mut y;
+
+    !x;  //~ ERROR: cannot move out of `x` because it is borrowed
+
+    !y;  //~ ERROR: cannot move out of `y` because it is borrowed
+    use_mut(n); use_imm(m);
+}
+fn illegal_dereference<T: Not<Output=T>>(mut x: T, y: T) {
+    let m = &mut x;
+    let n = &y;
+
+    !*m;  //~ ERROR: cannot move out of `*m`
+
+    !*n;  //~ ERROR: cannot move out of `*n`
+    use_imm(n); use_mut(m);
+}
+fn main() {}
+
+fn use_mut<T>(_: &mut T) { }
+fn use_imm<T>(_: &T) { }