diff options
Diffstat (limited to 'tests/ui/borrowck/mut-borrow-outside-loop.rs')
-rw-r--r-- | tests/ui/borrowck/mut-borrow-outside-loop.rs | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/tests/ui/borrowck/mut-borrow-outside-loop.rs b/tests/ui/borrowck/mut-borrow-outside-loop.rs new file mode 100644 index 000000000..c02bfbf87 --- /dev/null +++ b/tests/ui/borrowck/mut-borrow-outside-loop.rs @@ -0,0 +1,22 @@ +// ensure borrowck messages are correct outside special case +#![feature(rustc_attrs)] +fn main() { #![rustc_error] // rust-lang/rust#49855 + let mut void = (); + + let first = &mut void; + let second = &mut void; //~ ERROR cannot borrow + first.use_mut(); + second.use_mut(); + + loop { + let mut inner_void = (); + + let inner_first = &mut inner_void; + let inner_second = &mut inner_void; //~ ERROR cannot borrow + inner_second.use_mut(); + inner_first.use_mut(); + } +} + +trait Fake { fn use_mut(&mut self) { } fn use_ref(&self) { } } +impl<T> Fake for T { } |