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Diffstat (limited to 'src/test/ui/self/self-re-assign.rs')
-rw-r--r-- | src/test/ui/self/self-re-assign.rs | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/test/ui/self/self-re-assign.rs b/src/test/ui/self/self-re-assign.rs new file mode 100644 index 000000000..9595ebf96 --- /dev/null +++ b/src/test/ui/self/self-re-assign.rs @@ -0,0 +1,17 @@ +// run-pass +// Ensure assigning an owned or managed variable to itself works. In particular, +// that we do not glue_drop before we glue_take (#3290). + +#![allow(dead_code)] + +use std::rc::Rc; + +pub fn main() { + let mut x: Box<_> = Box::new(3); + x = x; + assert_eq!(*x, 3); + + let mut x = Rc::new(3); + x = x; + assert_eq!(*x, 3); +} |