From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- .../borrowck/borrowck-no-cycle-in-exchange-heap.rs | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 src/test/ui/borrowck/borrowck-no-cycle-in-exchange-heap.rs (limited to 'src/test/ui/borrowck/borrowck-no-cycle-in-exchange-heap.rs') diff --git a/src/test/ui/borrowck/borrowck-no-cycle-in-exchange-heap.rs b/src/test/ui/borrowck/borrowck-no-cycle-in-exchange-heap.rs new file mode 100644 index 000000000..f035049d8 --- /dev/null +++ b/src/test/ui/borrowck/borrowck-no-cycle-in-exchange-heap.rs @@ -0,0 +1,20 @@ +struct Node_ { + a: Box +} + +enum Cycle { + Node(Node_), + Empty, +} + +fn main() { + let mut x: Box<_> = Box::new(Cycle::Node(Node_ {a: Box::new(Cycle::Empty)})); + + // Create a cycle! + match *x { + Cycle::Node(ref mut y) => { + y.a = x; //~ ERROR cannot move out of + } + Cycle::Empty => {} + }; +} -- cgit v1.2.3