[rustc.git] / src / test / ui / borrowck / borrowck-mut-borrow-of-mut-base-ptr.nll.stderr

error[E0502]: cannot borrow `t0` as mutable because it is also borrowed as immutable
  --> $DIR/borrowck-mut-borrow-of-mut-base-ptr.rs:21:18
   |
LL |     let p: &isize = &*t0;     // Freezes `*t0`
   |                     ---- immutable borrow occurs here
LL |     let mut t2 = &mut t0;   //~ ERROR cannot borrow `t0`
   |                  ^^^^^^^ mutable borrow occurs here
LL |     **t2 += 1;              // Mutates `*t0`
LL |     p.use_ref();
   |     - immutable borrow later used here

error[E0499]: cannot borrow `t0` as mutable more than once at a time
  --> $DIR/borrowck-mut-borrow-of-mut-base-ptr.rs:29:18
   |
LL |     let p: &mut isize = &mut *t0; // Claims `*t0`
   |                         -------- first mutable borrow occurs here
LL |     let mut t2 = &mut t0;       //~ ERROR cannot borrow `t0`
   |                  ^^^^^^^ second mutable borrow occurs here
LL |     **t2 += 1;                  // Mutates `*t0` but not through `*p`
LL |     p.use_mut();
   |     - first borrow later used here

error: aborting due to 2 previous errors

Some errors occurred: E0499, E0502.
For more information about an error, try `rustc --explain E0499`.
Commit	Line	Data
b7449926 XL	1	error[E0502]: cannot borrow `t0` as mutable because it is also borrowed as immutable
	2	--> $DIR/borrowck-mut-borrow-of-mut-base-ptr.rs:21:18
	3	\|
	4	LL \| let p: &isize = &t0; // Freezes `t0`
	5	\| ---- immutable borrow occurs here
	6	LL \| let mut t2 = &mut t0; //~ ERROR cannot borrow `t0`
	7	\| ^^^^^^^ mutable borrow occurs here
	8	LL \| *t2 += 1; // Mutates `t0`
	9	LL \| p.use_ref();
0bf4aa26	10	\| - immutable borrow later used here
b7449926 XL	11
	12	error[E0499]: cannot borrow `t0` as mutable more than once at a time
	13	--> $DIR/borrowck-mut-borrow-of-mut-base-ptr.rs:29:18
	14	\|
	15	LL \| let p: &mut isize = &mut t0; // Claims `t0`
	16	\| -------- first mutable borrow occurs here
	17	LL \| let mut t2 = &mut t0; //~ ERROR cannot borrow `t0`
	18	\| ^^^^^^^ second mutable borrow occurs here
	19	LL \| *t2 += 1; // Mutates `t0` but not through `*p`
	20	LL \| p.use_mut();
0bf4aa26	21	\| - first borrow later used here
b7449926 XL	22
	23	error: aborting due to 2 previous errors
	24
	25	Some errors occurred: E0499, E0502.
	26	For more information about an error, try `rustc --explain E0499`.