diff options
Diffstat (limited to 'src/test/ui/borrowck/borrowck-borrow-mut-base-ptr-in-aliasable-loc.stderr')
-rw-r--r-- | src/test/ui/borrowck/borrowck-borrow-mut-base-ptr-in-aliasable-loc.stderr | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/test/ui/borrowck/borrowck-borrow-mut-base-ptr-in-aliasable-loc.stderr b/src/test/ui/borrowck/borrowck-borrow-mut-base-ptr-in-aliasable-loc.stderr new file mode 100644 index 000000000..c99c0f779 --- /dev/null +++ b/src/test/ui/borrowck/borrowck-borrow-mut-base-ptr-in-aliasable-loc.stderr @@ -0,0 +1,31 @@ +error[E0594]: cannot assign to `**t1`, which is behind a `&` reference + --> $DIR/borrowck-borrow-mut-base-ptr-in-aliasable-loc.rs:9:5 + | +LL | let t1 = t0; + | -- consider changing this binding's type to be: `&mut &mut isize` +LL | let p: &isize = &**t0; +LL | **t1 = 22; + | ^^^^^^^^^ `t1` is a `&` reference, so the data it refers to cannot be written + +error[E0502]: cannot borrow `**t0` as immutable because it is also borrowed as mutable + --> $DIR/borrowck-borrow-mut-base-ptr-in-aliasable-loc.rs:14:21 + | +LL | let t1 = &mut *t0; + | -------- mutable borrow occurs here +LL | let p: &isize = &**t0; + | ^^^^^ immutable borrow occurs here +LL | **t1 = 22; + | --------- mutable borrow later used here + +error[E0596]: cannot borrow `**t0` as mutable, as it is behind a `&` reference + --> $DIR/borrowck-borrow-mut-base-ptr-in-aliasable-loc.rs:19:26 + | +LL | fn foo4(t0: & &mut isize) { + | ------------ help: consider changing this to be a mutable reference: `&mut &mut isize` +LL | let x: &mut isize = &mut **t0; + | ^^^^^^^^^ `t0` is a `&` reference, so the data it refers to cannot be borrowed as mutable + +error: aborting due to 3 previous errors + +Some errors have detailed explanations: E0502, E0594, E0596. +For more information about an error, try `rustc --explain E0502`. |