From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- .../borrowck-pat-ref-mut-and-ref.stderr | 454 +++++++++++++++++++++ 1 file changed, 454 insertions(+) create mode 100644 src/test/ui/pattern/bindings-after-at/borrowck-pat-ref-mut-and-ref.stderr (limited to 'src/test/ui/pattern/bindings-after-at/borrowck-pat-ref-mut-and-ref.stderr') diff --git a/src/test/ui/pattern/bindings-after-at/borrowck-pat-ref-mut-and-ref.stderr b/src/test/ui/pattern/bindings-after-at/borrowck-pat-ref-mut-and-ref.stderr new file mode 100644 index 000000000..2ae78d108 --- /dev/null +++ b/src/test/ui/pattern/bindings-after-at/borrowck-pat-ref-mut-and-ref.stderr @@ -0,0 +1,454 @@ +error: cannot borrow value as immutable because it is also borrowed as mutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:8:9 + | +LL | ref mut z @ &mut Some(ref a) => { + | ---------^^^^^^^^^^^^^-----^ + | | | + | | immutable borrow, by `a`, occurs here + | mutable borrow, by `z`, occurs here + +error: cannot borrow value as mutable more than once at a time + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:33:9 + | +LL | let ref mut a @ (ref b @ ref mut c) = u(); // sub-in-sub + | ---------^^^^-----------------^ + | | | | + | | | another mutable borrow, by `c`, occurs here + | | also borrowed as immutable, by `b`, here + | first mutable borrow, by `a`, occurs here + +error: cannot borrow value as mutable because it is also borrowed as immutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:33:22 + | +LL | let ref mut a @ (ref b @ ref mut c) = u(); // sub-in-sub + | -----^^^--------- + | | | + | | mutable borrow, by `c`, occurs here + | immutable borrow, by `b`, occurs here + +error: cannot borrow value as mutable because it is also borrowed as immutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:37:9 + | +LL | let ref a @ ref mut b = U; + | -----^^^--------- + | | | + | | mutable borrow, by `b`, occurs here + | immutable borrow, by `a`, occurs here + +error: cannot borrow value as immutable because it is also borrowed as mutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:39:9 + | +LL | let ref mut a @ ref b = U; + | ---------^^^----- + | | | + | | immutable borrow, by `b`, occurs here + | mutable borrow, by `a`, occurs here + +error: cannot borrow value as mutable because it is also borrowed as immutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:41:9 + | +LL | let ref a @ (ref mut b, ref mut c) = (U, U); + | -----^^^^---------^^---------^ + | | | | + | | | mutable borrow, by `c`, occurs here + | | mutable borrow, by `b`, occurs here + | immutable borrow, by `a`, occurs here + +error: cannot borrow value as immutable because it is also borrowed as mutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:43:9 + | +LL | let ref mut a @ (ref b, ref c) = (U, U); + | ---------^^^^-----^^-----^ + | | | | + | | | immutable borrow, by `c`, occurs here + | | immutable borrow, by `b`, occurs here + | mutable borrow, by `a`, occurs here + +error: cannot borrow value as immutable because it is also borrowed as mutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:46:9 + | +LL | let ref mut a @ ref b = u(); + | ---------^^^----- + | | | + | | immutable borrow, by `b`, occurs here + | mutable borrow, by `a`, occurs here + +error: cannot borrow value as mutable because it is also borrowed as immutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:51:9 + | +LL | let ref a @ ref mut b = u(); + | -----^^^--------- + | | | + | | mutable borrow, by `b`, occurs here + | immutable borrow, by `a`, occurs here + +error: cannot borrow value as immutable because it is also borrowed as mutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:57:9 + | +LL | let ref mut a @ ref b = U; + | ---------^^^----- + | | | + | | immutable borrow, by `b`, occurs here + | mutable borrow, by `a`, occurs here + +error: cannot borrow value as mutable because it is also borrowed as immutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:61:9 + | +LL | let ref a @ ref mut b = U; + | -----^^^--------- + | | | + | | mutable borrow, by `b`, occurs here + | immutable borrow, by `a`, occurs here + +error: cannot borrow value as immutable because it is also borrowed as mutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:67:9 + | +LL | ref mut a @ Ok(ref b) | ref mut a @ Err(ref b) => { + | ---------^^^^^^-----^ + | | | + | | immutable borrow, by `b`, occurs here + | mutable borrow, by `a`, occurs here + +error: cannot borrow value as immutable because it is also borrowed as mutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:67:33 + | +LL | ref mut a @ Ok(ref b) | ref mut a @ Err(ref b) => { + | ---------^^^^^^^-----^ + | | | + | | immutable borrow, by `b`, occurs here + | mutable borrow, by `a`, occurs here + +error: cannot borrow value as mutable because it is also borrowed as immutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:76:9 + | +LL | ref a @ Ok(ref mut b) | ref a @ Err(ref mut b) => { + | -----^^^^^^---------^ + | | | + | | mutable borrow, by `b`, occurs here + | immutable borrow, by `a`, occurs here + +error: cannot borrow value as mutable because it is also borrowed as immutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:76:33 + | +LL | ref a @ Ok(ref mut b) | ref a @ Err(ref mut b) => { + | -----^^^^^^^---------^ + | | | + | | mutable borrow, by `b`, occurs here + | immutable borrow, by `a`, occurs here + +error: cannot borrow value as mutable because it is also borrowed as immutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:87:9 + | +LL | ref a @ Ok(ref mut b) | ref a @ Err(ref mut b) if { *b = U; false } => {} + | -----^^^^^^---------^ + | | | + | | mutable borrow, by `b`, occurs here + | immutable borrow, by `a`, occurs here + +error: cannot borrow value as mutable because it is also borrowed as immutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:87:33 + | +LL | ref a @ Ok(ref mut b) | ref a @ Err(ref mut b) if { *b = U; false } => {} + | -----^^^^^^^---------^ + | | | + | | mutable borrow, by `b`, occurs here + | immutable borrow, by `a`, occurs here + +error: cannot borrow value as immutable because it is also borrowed as mutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:94:9 + | +LL | ref mut a @ Ok(ref b) | ref mut a @ Err(ref b) if { *a = Err(U); false } => {} + | ---------^^^^^^-----^ + | | | + | | immutable borrow, by `b`, occurs here + | mutable borrow, by `a`, occurs here + +error: cannot borrow value as immutable because it is also borrowed as mutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:94:33 + | +LL | ref mut a @ Ok(ref b) | ref mut a @ Err(ref b) if { *a = Err(U); false } => {} + | ---------^^^^^^^-----^ + | | | + | | immutable borrow, by `b`, occurs here + | mutable borrow, by `a`, occurs here + +error: cannot borrow value as mutable because it is also borrowed as immutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:101:9 + | +LL | ref a @ Ok(ref mut b) | ref a @ Err(ref mut b) if { drop(b); false } => {} + | -----^^^^^^---------^ + | | | + | | mutable borrow, by `b`, occurs here + | immutable borrow, by `a`, occurs here + +error: cannot borrow value as mutable because it is also borrowed as immutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:101:33 + | +LL | ref a @ Ok(ref mut b) | ref a @ Err(ref mut b) if { drop(b); false } => {} + | -----^^^^^^^---------^ + | | | + | | mutable borrow, by `b`, occurs here + | immutable borrow, by `a`, occurs here + +error: cannot borrow value as immutable because it is also borrowed as mutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:109:9 + | +LL | ref mut a @ Ok(ref b) | ref mut a @ Err(ref b) if { drop(a); false } => {} + | ---------^^^^^^-----^ + | | | + | | immutable borrow, by `b`, occurs here + | mutable borrow, by `a`, occurs here + +error: cannot borrow value as immutable because it is also borrowed as mutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:109:33 + | +LL | ref mut a @ Ok(ref b) | ref mut a @ Err(ref b) if { drop(a); false } => {} + | ---------^^^^^^^-----^ + | | | + | | immutable borrow, by `b`, occurs here + | mutable borrow, by `a`, occurs here + +error: cannot borrow value as mutable because it is also borrowed as immutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:117:9 + | +LL | let ref a @ (ref mut b, ref mut c) = (U, U); + | -----^^^^---------^^---------^ + | | | | + | | | mutable borrow, by `c`, occurs here + | | mutable borrow, by `b`, occurs here + | immutable borrow, by `a`, occurs here + +error: cannot borrow value as mutable because it is also borrowed as immutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:123:9 + | +LL | let ref a @ (ref mut b, ref mut c) = (U, U); + | -----^^^^---------^^---------^ + | | | | + | | | mutable borrow, by `c`, occurs here + | | mutable borrow, by `b`, occurs here + | immutable borrow, by `a`, occurs here + +error: cannot borrow value as mutable because it is also borrowed as immutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:129:9 + | +LL | let ref a @ (ref mut b, ref mut c) = (U, U); + | -----^^^^---------^^---------^ + | | | | + | | | mutable borrow, by `c`, occurs here + | | mutable borrow, by `b`, occurs here + | immutable borrow, by `a`, occurs here + +error: cannot borrow value as immutable because it is also borrowed as mutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:134:9 + | +LL | let ref mut a @ (ref b, ref c) = (U, U); + | ---------^^^^-----^^-----^ + | | | | + | | | immutable borrow, by `c`, occurs here + | | immutable borrow, by `b`, occurs here + | mutable borrow, by `a`, occurs here + +error: cannot borrow value as mutable because it is also borrowed as immutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:22:11 + | +LL | fn f1(ref a @ ref mut b: U) {} + | -----^^^--------- + | | | + | | mutable borrow, by `b`, occurs here + | immutable borrow, by `a`, occurs here + +error: cannot borrow value as immutable because it is also borrowed as mutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:24:11 + | +LL | fn f2(ref mut a @ ref b: U) {} + | ---------^^^----- + | | | + | | immutable borrow, by `b`, occurs here + | mutable borrow, by `a`, occurs here + +error: cannot borrow value as mutable because it is also borrowed as immutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:26:11 + | +LL | fn f3(ref a @ [ref b, ref mut mid @ .., ref c]: [U; 4]) {} + | -----^^^^^^^^^^^----------------^^^^^^^^ + | | | + | | mutable borrow, by `mid`, occurs here + | immutable borrow, by `a`, occurs here + +error: cannot borrow value as mutable because it is also borrowed as immutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:28:22 + | +LL | fn f4_also_moved(ref a @ ref mut b @ c: U) {} + | -----^^^------------- + | | | | + | | | also moved into `c` here + | | mutable borrow, by `b`, occurs here + | immutable borrow, by `a`, occurs here + +error: cannot move out of value because it is borrowed + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:28:30 + | +LL | fn f4_also_moved(ref a @ ref mut b @ c: U) {} + | ---------^^^- + | | | + | | value moved into `c` here + | value borrowed, by `b`, here + +error[E0502]: cannot borrow value as immutable because it is also borrowed as mutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:8:31 + | +LL | ref mut z @ &mut Some(ref a) => { + | ----------------------^^^^^- + | | | + | | immutable borrow occurs here + | mutable borrow occurs here +... +LL | **z = None; + | ---------- mutable borrow later used here + +error[E0502]: cannot borrow value as mutable because it is also borrowed as immutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:46:9 + | +LL | let ref mut a @ ref b = u(); + | ^^^^^^^^^^^^----- + | | | + | | immutable borrow occurs here + | mutable borrow occurs here +... +LL | drop(b); + | - immutable borrow later used here + +error[E0502]: cannot borrow value as immutable because it is also borrowed as mutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:51:9 + | +LL | let ref a @ ref mut b = u(); + | ^^^^^^^^--------- + | | | + | | mutable borrow occurs here + | immutable borrow occurs here +... +LL | *b = u(); + | -------- mutable borrow later used here + +error[E0502]: cannot borrow value as mutable because it is also borrowed as immutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:76:20 + | +LL | ref a @ Ok(ref mut b) | ref a @ Err(ref mut b) => { + | -----------^^^^^^^^^- + | | | + | | mutable borrow occurs here + | immutable borrow occurs here +... +LL | drop(a); + | - immutable borrow later used here + +error[E0502]: cannot borrow value as mutable because it is also borrowed as immutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:76:45 + | +LL | ref a @ Ok(ref mut b) | ref a @ Err(ref mut b) => { + | ------------^^^^^^^^^- + | | | + | | mutable borrow occurs here + | immutable borrow occurs here +... +LL | drop(a); + | - immutable borrow later used here + +error[E0594]: cannot assign to `*b`, as it is immutable for the pattern guard + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:87:61 + | +LL | ref a @ Ok(ref mut b) | ref a @ Err(ref mut b) if { *b = U; false } => {} + | ^^^^^^ cannot assign + | + = note: variables bound in patterns are immutable until the end of the pattern guard + +error[E0594]: cannot assign to `*a`, as it is immutable for the pattern guard + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:94:61 + | +LL | ref mut a @ Ok(ref b) | ref mut a @ Err(ref b) if { *a = Err(U); false } => {} + | ^^^^^^^^^^^ cannot assign + | + = note: variables bound in patterns are immutable until the end of the pattern guard + +error[E0507]: cannot move out of `b` in pattern guard + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:101:66 + | +LL | ref a @ Ok(ref mut b) | ref a @ Err(ref mut b) if { drop(b); false } => {} + | ^ move occurs because `b` has type `&mut U`, which does not implement the `Copy` trait + | + = note: variables bound in patterns cannot be moved from until after the end of the pattern guard + +error[E0507]: cannot move out of `b` in pattern guard + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:101:66 + | +LL | ref a @ Ok(ref mut b) | ref a @ Err(ref mut b) if { drop(b); false } => {} + | ^ move occurs because `b` has type `&mut U`, which does not implement the `Copy` trait + | + = note: variables bound in patterns cannot be moved from until after the end of the pattern guard + +error[E0507]: cannot move out of `a` in pattern guard + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:109:66 + | +LL | ref mut a @ Ok(ref b) | ref mut a @ Err(ref b) if { drop(a); false } => {} + | ^ move occurs because `a` has type `&mut Result`, which does not implement the `Copy` trait + | + = note: variables bound in patterns cannot be moved from until after the end of the pattern guard + +error[E0507]: cannot move out of `a` in pattern guard + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:109:66 + | +LL | ref mut a @ Ok(ref b) | ref mut a @ Err(ref b) if { drop(a); false } => {} + | ^ move occurs because `a` has type `&mut Result`, which does not implement the `Copy` trait + | + = note: variables bound in patterns cannot be moved from until after the end of the pattern guard + +error[E0502]: cannot borrow value as immutable because it is also borrowed as mutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:117:9 + | +LL | let ref a @ (ref mut b, ref mut c) = (U, U); + | ^^^^^^^^^---------^^^^^^^^^^^^ + | | | + | | mutable borrow occurs here + | immutable borrow occurs here +... +LL | *b = U; + | ------ mutable borrow later used here + +error[E0502]: cannot borrow value as immutable because it is also borrowed as mutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:123:9 + | +LL | let ref a @ (ref mut b, ref mut c) = (U, U); + | ^^^^^^^^^---------^^^^^^^^^^^^ + | | | + | | mutable borrow occurs here + | immutable borrow occurs here +... +LL | *b = U; + | ------ mutable borrow later used here + +error[E0502]: cannot borrow value as immutable because it is also borrowed as mutable + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:129:9 + | +LL | let ref a @ (ref mut b, ref mut c) = (U, U); + | ^^^^^^^^^---------^^^^^^^^^^^^ + | | | + | | mutable borrow occurs here + | immutable borrow occurs here +LL | +LL | *b = U; + | ------ mutable borrow later used here + +error[E0382]: borrow of moved value + --> $DIR/borrowck-pat-ref-mut-and-ref.rs:28:30 + | +LL | fn f4_also_moved(ref a @ ref mut b @ c: U) {} + | --------^^^^^^^^^^^^- + | | | | + | | | value moved here + | | value borrowed here after move + | move occurs because value has type `U`, which does not implement the `Copy` trait + +error: aborting due to 47 previous errors + +Some errors have detailed explanations: E0382, E0502, E0507, E0594. +For more information about an error, try `rustc --explain E0382`. -- cgit v1.2.3