diff options
Diffstat (limited to 'tests/ui/consts/qualif_overwrite_2.rs')
-rw-r--r-- | tests/ui/consts/qualif_overwrite_2.rs | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/tests/ui/consts/qualif_overwrite_2.rs b/tests/ui/consts/qualif_overwrite_2.rs new file mode 100644 index 000000000..1819d9a6d --- /dev/null +++ b/tests/ui/consts/qualif_overwrite_2.rs @@ -0,0 +1,11 @@ +use std::cell::Cell; + +// const qualification is not smart enough to know about fields and always assumes that there might +// be other fields that caused the qualification +const FOO: &Option<Cell<usize>> = { + let mut a = (Some(Cell::new(0)),); + a.0 = None; // sets `qualif(a)` to `qualif(a) | qualif(None)` + &{a.0} //~ ERROR cannot refer to interior mutable +}; + +fn main() {} |