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Report all lints, even if other errors already occurred.
This reduces surprises of the "I fixed all the errors, now I'm getting new ones"-kind
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91 files changed

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‎compiler/rustc_interface/src/passes.rs‎

Lines changed: 0 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -790,15 +790,6 @@ fn analysis(tcx: TyCtxt<'_>, (): ()) -> Result<()> {
790790

791791
sess.time("layout_testing", || layout_test::test_layout(tcx));
792792

793-
// Avoid overwhelming user with errors if borrow checking failed.
794-
// I'm not sure how helpful this is, to be honest, but it avoids a
795-
// lot of annoying errors in the ui tests (basically,
796-
// lint warnings and so on -- kindck used to do this abort, but
797-
// kindck is gone now). -nmatsakis
798-
if let Some(reported) = sess.has_errors() {
799-
return Err(reported);
800-
}
801-
802793
sess.time("misc_checking_3", || {
803794
parallel!(
804795
{

‎tests/ui/borrowck/borrowck-access-permissions.rs‎

Lines changed: 24 additions & 13 deletions
Original file line numberDiff line numberDiff line change
@@ -1,48 +1,59 @@
1-
static static_x : i32 = 1;
2-
static mut static_x_mut : i32 = 1;
1+
static STATIC_X: i32 = 1;
2+
static mut STATIC_X_MUT: i32 = 1;
33

44
fn main() {
55
let x = 1;
66
let mut x_mut = 1;
77

8-
{ // borrow of local
8+
{
9+
// borrow of local
910
let _y1 = &mut x; //~ ERROR [E0596]
1011
let _y2 = &mut x_mut; // No error
1112
}
1213

13-
{ // borrow of static
14-
let _y1 = &mut static_x; //~ ERROR [E0596]
15-
unsafe { let _y2 = &mut static_x_mut; } // No error
14+
{
15+
// borrow of static
16+
let _y1 = &mut STATIC_X; //~ ERROR [E0596]
17+
unsafe {
18+
let _y2 = &mut STATIC_X_MUT;
19+
} // No error
1620
}
1721

18-
{ // borrow of deref to box
22+
{
23+
// borrow of deref to box
1924
let box_x = Box::new(1);
2025
let mut box_x_mut = Box::new(1);
2126

2227
let _y1 = &mut *box_x; //~ ERROR [E0596]
2328
let _y2 = &mut *box_x_mut; // No error
2429
}
2530

26-
{ // borrow of deref to reference
31+
{
32+
// borrow of deref to reference
2733
let ref_x = &x;
2834
let ref_x_mut = &mut x_mut;
2935

3036
let _y1 = &mut *ref_x; //~ ERROR [E0596]
3137
let _y2 = &mut *ref_x_mut; // No error
3238
}
3339

34-
{ // borrow of deref to pointer
35-
let ptr_x : *const _ = &x;
36-
let ptr_mut_x : *mut _ = &mut x_mut;
40+
{
41+
// borrow of deref to pointer
42+
let ptr_x: *const _ = &x;
43+
let ptr_mut_x: *mut _ = &mut x_mut;
3744

3845
unsafe {
3946
let _y1 = &mut *ptr_x; //~ ERROR [E0596]
4047
let _y2 = &mut *ptr_mut_x; // No error
4148
}
4249
}
4350

44-
{ // borrowing mutably through an immutable reference
45-
struct Foo<'a> { f: &'a mut i32, g: &'a i32 };
51+
{
52+
// borrowing mutably through an immutable reference
53+
struct Foo<'a> {
54+
f: &'a mut i32,
55+
g: &'a i32,
56+
};
4657
let mut foo = Foo { f: &mut x_mut, g: &x };
4758
let foo_ref = &foo;
4859
let _y = &mut *foo_ref.f; //~ ERROR [E0596]

‎tests/ui/borrowck/borrowck-access-permissions.stderr‎

Lines changed: 10 additions & 10 deletions
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,5 @@
11
error[E0596]: cannot borrow `x` as mutable, as it is not declared as mutable
2-
--> $DIR/borrowck-access-permissions.rs:9:19
2+
--> $DIR/borrowck-access-permissions.rs:10:19
33
|
44
LL | let _y1 = &mut x;
55
| ^^^^^^ cannot borrow as mutable
@@ -9,14 +9,14 @@ help: consider changing this to be mutable
99
LL | let mut x = 1;
1010
| +++
1111

12-
error[E0596]: cannot borrow immutable static item `static_x` as mutable
13-
--> $DIR/borrowck-access-permissions.rs:14:19
12+
error[E0596]: cannot borrow immutable static item `STATIC_X` as mutable
13+
--> $DIR/borrowck-access-permissions.rs:16:19
1414
|
15-
LL | let _y1 = &mut static_x;
15+
LL | let _y1 = &mut STATIC_X;
1616
| ^^^^^^^^^^^^^ cannot borrow as mutable
1717

1818
error[E0596]: cannot borrow `*box_x` as mutable, as `box_x` is not declared as mutable
19-
--> $DIR/borrowck-access-permissions.rs:22:19
19+
--> $DIR/borrowck-access-permissions.rs:27:19
2020
|
2121
LL | let _y1 = &mut *box_x;
2222
| ^^^^^^^^^^^ cannot borrow as mutable
@@ -27,7 +27,7 @@ LL | let mut box_x = Box::new(1);
2727
| +++
2828

2929
error[E0596]: cannot borrow `*ref_x` as mutable, as it is behind a `&` reference
30-
--> $DIR/borrowck-access-permissions.rs:30:19
30+
--> $DIR/borrowck-access-permissions.rs:36:19
3131
|
3232
LL | let _y1 = &mut *ref_x;
3333
| ^^^^^^^^^^^ `ref_x` is a `&` reference, so the data it refers to cannot be borrowed as mutable
@@ -38,18 +38,18 @@ LL | let ref_x = &mut x;
3838
| +++
3939

4040
error[E0596]: cannot borrow `*ptr_x` as mutable, as it is behind a `*const` pointer
41-
--> $DIR/borrowck-access-permissions.rs:39:23
41+
--> $DIR/borrowck-access-permissions.rs:46:23
4242
|
4343
LL | let _y1 = &mut *ptr_x;
4444
| ^^^^^^^^^^^ `ptr_x` is a `*const` pointer, so the data it refers to cannot be borrowed as mutable
4545
|
4646
help: consider changing this to be a mutable pointer
4747
|
48-
LL | let ptr_x : *const _ = &mut x;
49-
| +++
48+
LL | let ptr_x: *const _ = &mut x;
49+
| +++
5050

5151
error[E0596]: cannot borrow `*foo_ref.f` as mutable, as it is behind a `&` reference
52-
--> $DIR/borrowck-access-permissions.rs:48:18
52+
--> $DIR/borrowck-access-permissions.rs:59:18
5353
|
5454
LL | let _y = &mut *foo_ref.f;
5555
| ^^^^^^^^^^^^^^^ `foo_ref` is a `&` reference, so the data it refers to cannot be borrowed as mutable

‎tests/ui/borrowck/borrowck-assign-to-constants.rs‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
1-
static foo: isize = 5;
1+
static FOO: isize = 5;
22

33
fn main() {
44
// assigning to various global constants
5-
foo = 6; //~ ERROR cannot assign to immutable static item `foo`
5+
FOO = 6; //~ ERROR cannot assign to immutable static item `FOO`
66
}

‎tests/ui/borrowck/borrowck-assign-to-constants.stderr‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1,7 +1,7 @@
1-
error[E0594]: cannot assign to immutable static item `foo`
1+
error[E0594]: cannot assign to immutable static item `FOO`
22
--> $DIR/borrowck-assign-to-constants.rs:5:5
33
|
4-
LL | foo = 6;
4+
LL | FOO = 6;
55
| ^^^^^^^ cannot assign
66

77
error: aborting due to previous error

‎tests/ui/borrowck/issue-64453.rs‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1,7 +1,7 @@
11
struct Project;
22
struct Value;
33

4-
static settings_dir: String = format!("");
4+
static SETTINGS_DIR: String = format!("");
55
//~^ ERROR cannot call non-const fn
66
//~| ERROR is not yet stable as a const
77

@@ -11,7 +11,7 @@ fn from_string(_: String) -> Value {
1111
fn set_editor(_: Value) {}
1212

1313
fn main() {
14-
let settings_data = from_string(settings_dir);
14+
let settings_data = from_string(SETTINGS_DIR);
1515
//~^ ERROR cannot move out of static item
1616
let args: i32 = 0;
1717

‎tests/ui/borrowck/issue-64453.stderr‎

Lines changed: 5 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -1,7 +1,7 @@
11
error: `Arguments::<'a>::new_const` is not yet stable as a const fn
22
--> $DIR/issue-64453.rs:4:31
33
|
4-
LL | static settings_dir: String = format!("");
4+
LL | static SETTINGS_DIR: String = format!("");
55
| ^^^^^^^^^^^
66
|
77
= help: add `#![feature(const_fmt_arguments_new)]` to the crate attributes to enable
@@ -10,18 +10,18 @@ LL | static settings_dir: String = format!("");
1010
error[E0015]: cannot call non-const fn `format` in statics
1111
--> $DIR/issue-64453.rs:4:31
1212
|
13-
LL | static settings_dir: String = format!("");
13+
LL | static SETTINGS_DIR: String = format!("");
1414
| ^^^^^^^^^^^
1515
|
1616
= note: calls in statics are limited to constant functions, tuple structs and tuple variants
1717
= note: consider wrapping this expression in `Lazy::new(|| ...)` from the `once_cell` crate: https://crates.io/crates/once_cell
1818
= note: this error originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
1919

20-
error[E0507]: cannot move out of static item `settings_dir`
20+
error[E0507]: cannot move out of static item `SETTINGS_DIR`
2121
--> $DIR/issue-64453.rs:14:37
2222
|
23-
LL | let settings_data = from_string(settings_dir);
24-
| ^^^^^^^^^^^^ move occurs because `settings_dir` has type `String`, which does not implement the `Copy` trait
23+
LL | let settings_data = from_string(SETTINGS_DIR);
24+
| ^^^^^^^^^^^^ move occurs because `SETTINGS_DIR` has type `String`, which does not implement the `Copy` trait
2525

2626
error: aborting due to 3 previous errors
2727

‎tests/ui/cleanup-rvalue-scopes-cf.rs‎

Lines changed: 14 additions & 10 deletions
Original file line numberDiff line numberDiff line change
@@ -5,10 +5,14 @@ use std::ops::Drop;
55

66
static mut FLAGS: u64 = 0;
77

8-
struct StackBox<T> { f: T }
9-
struct AddFlags { bits: u64 }
8+
struct StackBox<T> {
9+
f: T,
10+
}
11+
struct AddFlags {
12+
bits: u64,
13+
}
1014

11-
fn AddFlags(bits: u64) -> AddFlags {
15+
fn add_flags(bits: u64) -> AddFlags {
1216
AddFlags { bits: bits }
1317
}
1418

@@ -23,13 +27,13 @@ impl AddFlags {
2327
}
2428

2529
pub fn main() {
26-
let x1 = arg(&AddFlags(1)); //~ ERROR temporary value dropped while borrowed
27-
let x2 = AddFlags(1).get(); //~ ERROR temporary value dropped while borrowed
28-
let x3 = &*arg(&AddFlags(1)); //~ ERROR temporary value dropped while borrowed
29-
let ref x4 = *arg(&AddFlags(1)); //~ ERROR temporary value dropped while borrowed
30-
let &ref x5 = arg(&AddFlags(1)); //~ ERROR temporary value dropped while borrowed
31-
let x6 = AddFlags(1).get(); //~ ERROR temporary value dropped while borrowed
32-
let StackBox { f: x7 } = StackBox { f: AddFlags(1).get() };
30+
let x1 = arg(&add_flags(1)); //~ ERROR temporary value dropped while borrowed
31+
let x2 = add_flags(1).get(); //~ ERROR temporary value dropped while borrowed
32+
let x3 = &*arg(&add_flags(1)); //~ ERROR temporary value dropped while borrowed
33+
let ref x4 = *arg(&add_flags(1)); //~ ERROR temporary value dropped while borrowed
34+
let &ref x5 = arg(&add_flags(1)); //~ ERROR temporary value dropped while borrowed
35+
let x6 = add_flags(1).get(); //~ ERROR temporary value dropped while borrowed
36+
let StackBox { f: x7 } = StackBox { f: add_flags(1).get() };
3337
//~^ ERROR temporary value dropped while borrowed
3438
(x1, x2, x3, x4, x5, x6, x7);
3539
}

‎tests/ui/cleanup-rvalue-scopes-cf.stderr‎

Lines changed: 28 additions & 28 deletions
Original file line numberDiff line numberDiff line change
@@ -1,8 +1,8 @@
11
error[E0716]: temporary value dropped while borrowed
2-
--> $DIR/cleanup-rvalue-scopes-cf.rs:26:19
2+
--> $DIR/cleanup-rvalue-scopes-cf.rs:30:19
33
|
4-
LL | let x1 = arg(&AddFlags(1));
5-
| ^^^^^^^^^^^ - temporary value is freed at the end of this statement
4+
LL | let x1 = arg(&add_flags(1));
5+
| ^^^^^^^^^^^^ - temporary value is freed at the end of this statement
66
| |
77
| creates a temporary value which is freed while still in use
88
...
@@ -11,15 +11,15 @@ LL | (x1, x2, x3, x4, x5, x6, x7);
1111
|
1212
help: consider using a `let` binding to create a longer lived value
1313
|
14-
LL ~ let binding = AddFlags(1);
14+
LL ~ let binding = add_flags(1);
1515
LL ~ let x1 = arg(&binding);
1616
|
1717

1818
error[E0716]: temporary value dropped while borrowed
19-
--> $DIR/cleanup-rvalue-scopes-cf.rs:27:14
19+
--> $DIR/cleanup-rvalue-scopes-cf.rs:31:14
2020
|
21-
LL | let x2 = AddFlags(1).get();
22-
| ^^^^^^^^^^^ - temporary value is freed at the end of this statement
21+
LL | let x2 = add_flags(1).get();
22+
| ^^^^^^^^^^^^ - temporary value is freed at the end of this statement
2323
| |
2424
| creates a temporary value which is freed while still in use
2525
...
@@ -28,15 +28,15 @@ LL | (x1, x2, x3, x4, x5, x6, x7);
2828
|
2929
help: consider using a `let` binding to create a longer lived value
3030
|
31-
LL ~ let binding = AddFlags(1);
31+
LL ~ let binding = add_flags(1);
3232
LL ~ let x2 = binding.get();
3333
|
3434

3535
error[E0716]: temporary value dropped while borrowed
36-
--> $DIR/cleanup-rvalue-scopes-cf.rs:28:21
36+
--> $DIR/cleanup-rvalue-scopes-cf.rs:32:21
3737
|
38-
LL | let x3 = &*arg(&AddFlags(1));
39-
| ^^^^^^^^^^^ - temporary value is freed at the end of this statement
38+
LL | let x3 = &*arg(&add_flags(1));
39+
| ^^^^^^^^^^^^ - temporary value is freed at the end of this statement
4040
| |
4141
| creates a temporary value which is freed while still in use
4242
...
@@ -45,15 +45,15 @@ LL | (x1, x2, x3, x4, x5, x6, x7);
4545
|
4646
help: consider using a `let` binding to create a longer lived value
4747
|
48-
LL ~ let binding = AddFlags(1);
48+
LL ~ let binding = add_flags(1);
4949
LL ~ let x3 = &*arg(&binding);
5050
|
5151

5252
error[E0716]: temporary value dropped while borrowed
53-
--> $DIR/cleanup-rvalue-scopes-cf.rs:29:24
53+
--> $DIR/cleanup-rvalue-scopes-cf.rs:33:24
5454
|
55-
LL | let ref x4 = *arg(&AddFlags(1));
56-
| ^^^^^^^^^^^ - temporary value is freed at the end of this statement
55+
LL | let ref x4 = *arg(&add_flags(1));
56+
| ^^^^^^^^^^^^ - temporary value is freed at the end of this statement
5757
| |
5858
| creates a temporary value which is freed while still in use
5959
...
@@ -62,15 +62,15 @@ LL | (x1, x2, x3, x4, x5, x6, x7);
6262
|
6363
help: consider using a `let` binding to create a longer lived value
6464
|
65-
LL ~ let binding = AddFlags(1);
65+
LL ~ let binding = add_flags(1);
6666
LL ~ let ref x4 = *arg(&binding);
6767
|
6868

6969
error[E0716]: temporary value dropped while borrowed
70-
--> $DIR/cleanup-rvalue-scopes-cf.rs:30:24
70+
--> $DIR/cleanup-rvalue-scopes-cf.rs:34:24
7171
|
72-
LL | let &ref x5 = arg(&AddFlags(1));
73-
| ^^^^^^^^^^^ - temporary value is freed at the end of this statement
72+
LL | let &ref x5 = arg(&add_flags(1));
73+
| ^^^^^^^^^^^^ - temporary value is freed at the end of this statement
7474
| |
7575
| creates a temporary value which is freed while still in use
7676
...
@@ -79,15 +79,15 @@ LL | (x1, x2, x3, x4, x5, x6, x7);
7979
|
8080
help: consider using a `let` binding to create a longer lived value
8181
|
82-
LL ~ let binding = AddFlags(1);
82+
LL ~ let binding = add_flags(1);
8383
LL ~ let &ref x5 = arg(&binding);
8484
|
8585

8686
error[E0716]: temporary value dropped while borrowed
87-
--> $DIR/cleanup-rvalue-scopes-cf.rs:31:14
87+
--> $DIR/cleanup-rvalue-scopes-cf.rs:35:14
8888
|
89-
LL | let x6 = AddFlags(1).get();
90-
| ^^^^^^^^^^^ - temporary value is freed at the end of this statement
89+
LL | let x6 = add_flags(1).get();
90+
| ^^^^^^^^^^^^ - temporary value is freed at the end of this statement
9191
| |
9292
| creates a temporary value which is freed while still in use
9393
...
@@ -96,15 +96,15 @@ LL | (x1, x2, x3, x4, x5, x6, x7);
9696
|
9797
help: consider using a `let` binding to create a longer lived value
9898
|
99-
LL ~ let binding = AddFlags(1);
99+
LL ~ let binding = add_flags(1);
100100
LL ~ let x6 = binding.get();
101101
|
102102

103103
error[E0716]: temporary value dropped while borrowed
104-
--> $DIR/cleanup-rvalue-scopes-cf.rs:32:44
104+
--> $DIR/cleanup-rvalue-scopes-cf.rs:36:44
105105
|
106-
LL | let StackBox { f: x7 } = StackBox { f: AddFlags(1).get() };
107-
| ^^^^^^^^^^^ - temporary value is freed at the end of this statement
106+
LL | let StackBox { f: x7 } = StackBox { f: add_flags(1).get() };
107+
| ^^^^^^^^^^^^ - temporary value is freed at the end of this statement
108108
| |
109109
| creates a temporary value which is freed while still in use
110110
LL |
@@ -113,7 +113,7 @@ LL | (x1, x2, x3, x4, x5, x6, x7);
113113
|
114114
help: consider using a `let` binding to create a longer lived value
115115
|
116-
LL ~ let binding = AddFlags(1);
116+
LL ~ let binding = add_flags(1);
117117
LL ~ let StackBox { f: x7 } = StackBox { f: binding.get() };
118118
|
119119

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