From 64d98f8ee037282c35007b64c2649055c56af1db Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:03 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- .../borrowck-move-ref-pattern.stderr | 216 +++++++++++++++++++++ 1 file changed, 216 insertions(+) create mode 100644 tests/ui/pattern/move-ref-patterns/borrowck-move-ref-pattern.stderr (limited to 'tests/ui/pattern/move-ref-patterns/borrowck-move-ref-pattern.stderr') diff --git a/tests/ui/pattern/move-ref-patterns/borrowck-move-ref-pattern.stderr b/tests/ui/pattern/move-ref-patterns/borrowck-move-ref-pattern.stderr new file mode 100644 index 000000000..1b93267b3 --- /dev/null +++ b/tests/ui/pattern/move-ref-patterns/borrowck-move-ref-pattern.stderr @@ -0,0 +1,216 @@ +error[E0505]: cannot move out of `arr[..]` because it is borrowed + --> $DIR/borrowck-move-ref-pattern.rs:8:24 + | +LL | let hold_all = &arr; + | ---- borrow of `arr` occurs here +LL | let [ref _x0_hold, _x1, ref xs_hold @ ..] = arr; + | ^^^ move out of `arr[..]` occurs here +LL | _x1 = U; +LL | drop(hold_all); + | -------- borrow later used here + +error[E0384]: cannot assign twice to immutable variable `_x1` + --> $DIR/borrowck-move-ref-pattern.rs:9:5 + | +LL | let [ref _x0_hold, _x1, ref xs_hold @ ..] = arr; + | --- + | | + | first assignment to `_x1` + | help: consider making this binding mutable: `mut _x1` +LL | _x1 = U; + | ^^^^^^^ cannot assign twice to immutable variable + +error[E0505]: cannot move out of `arr[..]` because it is borrowed + --> $DIR/borrowck-move-ref-pattern.rs:11:10 + | +LL | let [ref _x0_hold, _x1, ref xs_hold @ ..] = arr; + | ------------ borrow of `arr[..]` occurs here +... +LL | let [_x0, ..] = arr; + | ^^^ move out of `arr[..]` occurs here +LL | drop(_x0_hold); + | -------- borrow later used here + +error[E0502]: cannot borrow `arr[..]` as mutable because it is also borrowed as immutable + --> $DIR/borrowck-move-ref-pattern.rs:13:16 + | +LL | let [ref _x0_hold, _x1, ref xs_hold @ ..] = arr; + | ----------- immutable borrow occurs here +... +LL | let [_, _, ref mut _x2, _x3, mut _x4] = arr; + | ^^^^^^^^^^^ mutable borrow occurs here +... +LL | drop(xs_hold); + | ------- immutable borrow later used here + +error[E0505]: cannot move out of `arr[..]` because it is borrowed + --> $DIR/borrowck-move-ref-pattern.rs:13:29 + | +LL | let [ref _x0_hold, _x1, ref xs_hold @ ..] = arr; + | ----------- borrow of `arr[..]` occurs here +... +LL | let [_, _, ref mut _x2, _x3, mut _x4] = arr; + | ^^^ move out of `arr[..]` occurs here +... +LL | drop(xs_hold); + | ------- borrow later used here + +error[E0505]: cannot move out of `arr[..]` because it is borrowed + --> $DIR/borrowck-move-ref-pattern.rs:13:34 + | +LL | let [ref _x0_hold, _x1, ref xs_hold @ ..] = arr; + | ----------- borrow of `arr[..]` occurs here +... +LL | let [_, _, ref mut _x2, _x3, mut _x4] = arr; + | ^^^^^^^ move out of `arr[..]` occurs here +... +LL | drop(xs_hold); + | ------- borrow later used here + +error[E0384]: cannot assign twice to immutable variable `_x1` + --> $DIR/borrowck-move-ref-pattern.rs:23:5 + | +LL | let (ref _x0, _x1, ref _x2, ..) = tup; + | --- + | | + | first assignment to `_x1` + | help: consider making this binding mutable: `mut _x1` +LL | _x1 = U; + | ^^^^^^^ cannot assign twice to immutable variable + +error[E0502]: cannot borrow `tup.0` as mutable because it is also borrowed as immutable + --> $DIR/borrowck-move-ref-pattern.rs:24:20 + | +LL | let (ref _x0, _x1, ref _x2, ..) = tup; + | ------- immutable borrow occurs here +LL | _x1 = U; +LL | let _x0_hold = &mut tup.0; + | ^^^^^^^^^^ mutable borrow occurs here +LL | let (ref mut _x0_hold, ..) = tup; +LL | *_x0 = U; + | -------- immutable borrow later used here + +error[E0502]: cannot borrow `tup.0` as mutable because it is also borrowed as immutable + --> $DIR/borrowck-move-ref-pattern.rs:25:10 + | +LL | let (ref _x0, _x1, ref _x2, ..) = tup; + | ------- immutable borrow occurs here +... +LL | let (ref mut _x0_hold, ..) = tup; + | ^^^^^^^^^^^^^^^^ mutable borrow occurs here +LL | *_x0 = U; + | -------- immutable borrow later used here + +error[E0594]: cannot assign to `*_x0`, which is behind a `&` reference + --> $DIR/borrowck-move-ref-pattern.rs:26:5 + | +LL | *_x0 = U; + | ^^^^^^^^ `_x0` is a `&` reference, so the data it refers to cannot be written + | +help: consider changing this to be a mutable reference + | +LL | let (ref mut _x0, _x1, ref _x2, ..) = tup; + | ~~~~~~~~~~~ + +error[E0594]: cannot assign to `*_x2`, which is behind a `&` reference + --> $DIR/borrowck-move-ref-pattern.rs:27:5 + | +LL | *_x2 = U; + | ^^^^^^^^ `_x2` is a `&` reference, so the data it refers to cannot be written + | +help: consider changing this to be a mutable reference + | +LL | let (ref _x0, _x1, ref mut _x2, ..) = tup; + | ~~~~~~~~~~~ + +error[E0382]: use of moved value: `tup.1` + --> $DIR/borrowck-move-ref-pattern.rs:28:10 + | +LL | let (ref _x0, _x1, ref _x2, ..) = tup; + | --- value moved here +... +LL | drop(tup.1); + | ^^^^^ value used here after move + | + = note: move occurs because `tup.1` has type `U`, which does not implement the `Copy` trait +help: borrow this binding in the pattern to avoid moving the value + | +LL | let (ref _x0, ref _x1, ref _x2, ..) = tup; + | +++ + +error[E0382]: borrow of moved value: `tup.1` + --> $DIR/borrowck-move-ref-pattern.rs:29:20 + | +LL | drop(tup.1); + | ----- value moved here +LL | let _x1_hold = &tup.1; + | ^^^^^^ value borrowed here after move + | + = note: move occurs because `tup.1` has type `U`, which does not implement the `Copy` trait + +error[E0502]: cannot borrow `tup.3` as immutable because it is also borrowed as mutable + --> $DIR/borrowck-move-ref-pattern.rs:31:20 + | +LL | let (.., ref mut _x3) = tup; + | ----------- mutable borrow occurs here +LL | let _x3_hold = &tup.3; + | ^^^^^^ immutable borrow occurs here +... +LL | drop(_x3); + | --- mutable borrow later used here + +error[E0499]: cannot borrow `tup.3` as mutable more than once at a time + --> $DIR/borrowck-move-ref-pattern.rs:32:20 + | +LL | let (.., ref mut _x3) = tup; + | ----------- first mutable borrow occurs here +LL | let _x3_hold = &tup.3; +LL | let _x3_hold = &mut tup.3; + | ^^^^^^^^^^ second mutable borrow occurs here +... +LL | drop(_x3); + | --- first borrow later used here + +error[E0499]: cannot borrow `tup.3` as mutable more than once at a time + --> $DIR/borrowck-move-ref-pattern.rs:33:14 + | +LL | let (.., ref mut _x3) = tup; + | ----------- first mutable borrow occurs here +... +LL | let (.., ref mut _x4_hold) = tup; + | ^^^^^^^^^^^^^^^^ second mutable borrow occurs here +LL | let (.., ref _x4_hold) = tup; +LL | drop(_x3); + | --- first borrow later used here + +error[E0502]: cannot borrow `tup.3` as immutable because it is also borrowed as mutable + --> $DIR/borrowck-move-ref-pattern.rs:34:14 + | +LL | let (.., ref mut _x3) = tup; + | ----------- mutable borrow occurs here +... +LL | let (.., ref _x4_hold) = tup; + | ^^^^^^^^^^^^ immutable borrow occurs here +LL | drop(_x3); + | --- mutable borrow later used here + +error[E0382]: use of moved value: `tup` + --> $DIR/borrowck-move-ref-pattern.rs:43:14 + | +LL | let mut tup = (U, U, U); + | ------- move occurs because `tup` has type `(U, U, U)`, which does not implement the `Copy` trait +LL | let c1 = || { + | -- value moved into closure here +LL | let (ref _x0, _x1, _) = tup; + | --- variable moved due to use in closure +LL | }; +LL | let c2 = || { + | ^^ value used here after move +LL | +LL | let (ref mut _x0, _, _x2) = tup; + | --- use occurs due to use in closure + +error: aborting due to 18 previous errors + +Some errors have detailed explanations: E0382, E0384, E0499, E0502, E0505, E0594. +For more information about an error, try `rustc --explain E0382`. -- cgit v1.2.3