Rollup merge of #151287 - m15t, r=Kivooeo

Reorganizing `tests/ui/issues` 15 tests [2/N]

part of https://github.com/rust-lang/rust/issues/133895

r? Kivooeo

tests/ui/associated-types/associated-type-as-value.rs

@@ -1,3 +1,5 @@
+//! regression test for <https://github.com/rust-lang/rust/issues/38919>
+
 fn foo<T: Iterator>() {
     T::Item; //~ ERROR no associated item named `Item` found
 }

tests/ui/associated-types/associated-type-as-value.stderr

@@ -1,5 +1,5 @@
 error[E0599]: no associated item named `Item` found for type parameter `T` in the current scope
-  --> $DIR/issue-38919.rs:2:8
+  --> $DIR/associated-type-as-value.rs:4:8
    |
 LL | fn foo<T: Iterator>() {
    |        - associated item `Item` not found for this type parameter

tests/ui/cast/cast-to-unsized-type.rs

@@ -1,3 +1,5 @@
+//! regression test for <https://github.com/rust-lang/rust/issues/17441>
+
 fn main() {
     let _foo = &[1_usize, 2] as [usize];
     //~^ ERROR cast to unsized type: `&[usize; 2]` as `[usize]`

tests/ui/cast/cast-to-unsized-type.stderr

@@ -1,5 +1,5 @@
 error[E0620]: cast to unsized type: `&[usize; 2]` as `[usize]`
-  --> $DIR/issue-17441.rs:2:16
+  --> $DIR/cast-to-unsized-type.rs:4:16
    |
 LL |     let _foo = &[1_usize, 2] as [usize];
    |                ^^^^^^^^^^^^^^^^^^^^^^^^
@@ -10,7 +10,7 @@ LL |     let _foo = &[1_usize, 2] as &[usize];
    |                                 +
 
 error[E0620]: cast to unsized type: `Box<usize>` as `dyn Debug`
-  --> $DIR/issue-17441.rs:5:16
+  --> $DIR/cast-to-unsized-type.rs:7:16
    |
 LL |     let _bar = Box::new(1_usize) as dyn std::fmt::Debug;
    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -21,25 +21,25 @@ LL |     let _bar = Box::new(1_usize) as Box<dyn std::fmt::Debug>;
    |                                     ++++                   +
 
 error[E0620]: cast to unsized type: `usize` as `dyn Debug`
-  --> $DIR/issue-17441.rs:8:16
+  --> $DIR/cast-to-unsized-type.rs:10:16
    |
 LL |     let _baz = 1_usize as dyn std::fmt::Debug;
    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
 help: consider using a box or reference as appropriate
-  --> $DIR/issue-17441.rs:8:16
+  --> $DIR/cast-to-unsized-type.rs:10:16
    |
 LL |     let _baz = 1_usize as dyn std::fmt::Debug;
    |                ^^^^^^^
 
 error[E0620]: cast to unsized type: `[usize; 2]` as `[usize]`
-  --> $DIR/issue-17441.rs:11:17
+  --> $DIR/cast-to-unsized-type.rs:13:17
    |
 LL |     let _quux = [1_usize, 2] as [usize];
    |                 ^^^^^^^^^^^^^^^^^^^^^^^
    |
 help: consider using a box or reference as appropriate
-  --> $DIR/issue-17441.rs:11:17
+  --> $DIR/cast-to-unsized-type.rs:13:17
    |
 LL |     let _quux = [1_usize, 2] as [usize];
    |                 ^^^^^^^^^^^^

tests/ui/cast/non-primitive-isize-ref-cast.rs

@@ -1,3 +1,5 @@
+//! regression test for <https://github.com/rust-lang/rust/issues/2995>
+
 fn bad (p: *const isize) {
     let _q: &isize = p as &isize; //~ ERROR non-primitive cast
 }

tests/ui/cast/non-primitive-isize-ref-cast.stderr

@@ -1,5 +1,5 @@
 error[E0605]: non-primitive cast: `*const isize` as `&isize`
-  --> $DIR/issue-2995.rs:2:22
+  --> $DIR/non-primitive-isize-ref-cast.rs:4:22
    |
 LL |     let _q: &isize = p as &isize;
    |                      ^^^^^^^^^^^ invalid cast

tests/ui/enum/enum-nonexisting-field.rs

@@ -1,3 +1,5 @@
+//! regression test for <https://github.com/rust-lang/rust/issues/19922>
+
 enum Homura {
     Akemi { madoka: () }
 }

tests/ui/enum/enum-nonexisting-field.stderr

@@ -1,5 +1,5 @@
 error[E0559]: variant `Homura::Akemi` has no field named `kaname`
-  --> $DIR/issue-19922.rs:6:34
+  --> $DIR/enum-nonexisting-field.rs:8:34
    |
 LL |     let homura = Homura::Akemi { kaname: () };
    |                                  ^^^^^^ `Homura::Akemi` does not have this field

tests/ui/lint/unused/unused-trait-fn.rs

@@ -1,3 +1,4 @@
+//! regression test for <https://github.com/rust-lang/rust/issues/17351>
 //@ run-pass
 
 trait Str { fn foo(&self) {} } //~ WARN method `foo` is never used

tests/ui/lint/unused/unused-trait-fn.stderr

@@ -1,5 +1,5 @@
 warning: method `foo` is never used
-  --> $DIR/issue-17351.rs:3:16
+  --> $DIR/unused-trait-fn.rs:4:16
    |
 LL | trait Str { fn foo(&self) {} }
    |       ---      ^^^

tests/ui/lint/unused/unused-var-in-match-arm.rs

@@ -1,3 +1,4 @@
+//! regression test for <https://github.com/rust-lang/rust/issues/22599>
 #![deny(unused_variables)]
 
 fn f(_: i32) {}

tests/ui/lint/unused/unused-var-in-match-arm.stderr

@@ -1,11 +1,11 @@
 error: unused variable: `a`
-  --> $DIR/issue-22599.rs:8:19
+  --> $DIR/unused-var-in-match-arm.rs:9:19
    |
 LL |     v = match 0 { a => 0 };
    |                   ^ help: if this is intentional, prefix it with an underscore: `_a`
    |
 note: the lint level is defined here
-  --> $DIR/issue-22599.rs:1:9
+  --> $DIR/unused-var-in-match-arm.rs:2:9
    |
 LL | #![deny(unused_variables)]
    |         ^^^^^^^^^^^^^^^^

tests/ui/methods/method-not-found-on-struct.rs

@@ -1,3 +1,5 @@
+//! regression test for <https://github.com/rust-lang/rust/issues/19692>
+
 struct Homura;
 
 fn akemi(homura: Homura) {

tests/ui/methods/method-not-found-on-struct.stderr

@@ -1,5 +1,5 @@
 error[E0599]: no method named `kaname` found for struct `Homura` in the current scope
-  --> $DIR/issue-19692.rs:4:40
+  --> $DIR/method-not-found-on-struct.rs:6:40
    |
 LL | struct Homura;
    | ------------- method `kaname` not found for this struct

tests/ui/pattern/enum-variant-not-found.rs

@@ -1,3 +1,5 @@
+//! regression test for <https://github.com/rust-lang/rust/issues/34209>
+
 enum S {
     A,
 }

tests/ui/pattern/enum-variant-not-found.stderr

@@ -1,5 +1,5 @@
 error[E0599]: no variant named `B` found for enum `S`
-  --> $DIR/issue-34209.rs:7:12
+  --> $DIR/enum-variant-not-found.rs:9:12
    |
 LL | enum S {
    | ------ variant `B` not found here

tests/ui/pattern/match-constant-and-byte-literal.rs

@@ -1,3 +1,4 @@
+//! regression test for <https://github.com/rust-lang/rust/issues/16745>
 //@ run-pass
 fn main() {
     const X: u8 = 0;

tests/ui/privacy/auxiliary/imported-enum-is-private.rs

@@ -1,3 +1,5 @@
+//! auxiliary crate for <https://github.com/rust-lang/rust/issues/11680>
+
 enum Foo {
     Bar(isize)
 }

tests/ui/privacy/imported-enum-is-private.rs

@@ -1,6 +1,7 @@
-//@ aux-build:issue-11680.rs
+//! regression test for <https://github.com/rust-lang/rust/issues/11680>
+//@ aux-build:imported-enum-is-private.rs
 
-extern crate issue_11680 as other;
+extern crate imported_enum_is_private as other;
 
 fn main() {
     let _b = other::Foo::Bar(1);

tests/ui/privacy/imported-enum-is-private.stderr

@@ -1,5 +1,5 @@
 error[E0603]: enum `Foo` is private
-  --> $DIR/issue-11680.rs:6:21
+  --> $DIR/imported-enum-is-private.rs:7:21
    |
 LL |     let _b = other::Foo::Bar(1);
    |                     ^^^  --- tuple variant `Bar` is not publicly re-exported
@@ -7,13 +7,13 @@ LL |     let _b = other::Foo::Bar(1);
    |                     private enum
    |
 note: the enum `Foo` is defined here
-  --> $DIR/auxiliary/issue-11680.rs:1:1
+  --> $DIR/auxiliary/imported-enum-is-private.rs:3:1
    |
 LL | enum Foo {
    | ^^^^^^^^
 
 error[E0603]: enum `Foo` is private
-  --> $DIR/issue-11680.rs:9:27
+  --> $DIR/imported-enum-is-private.rs:10:27
    |
 LL |     let _b = other::test::Foo::Bar(1);
    |                           ^^^  --- tuple variant `Bar` is not publicly re-exported
@@ -21,7 +21,7 @@ LL |     let _b = other::test::Foo::Bar(1);
    |                           private enum
    |
 note: the enum `Foo` is defined here
-  --> $DIR/auxiliary/issue-11680.rs:6:5
+  --> $DIR/auxiliary/imported-enum-is-private.rs:8:5
    |
 LL |     enum Foo {
    |     ^^^^^^^^

tests/ui/privacy/private-struct-field-in-module.rs

@@ -1,3 +1,5 @@
+//! regression test for <https://github.com/rust-lang/rust/issues/26472>
+
 mod sub {
     pub struct S { len: usize }
     impl S {

tests/ui/privacy/private-struct-field-in-module.stderr

@@ -1,5 +1,5 @@
 error[E0616]: field `len` of struct `S` is private
-  --> $DIR/issue-26472.rs:11:15
+  --> $DIR/private-struct-field-in-module.rs:13:15
    |
 LL |     let v = s.len;
    |               ^^^ private field
@@ -10,7 +10,7 @@ LL |     let v = s.len();
    |                  ++
 
 error[E0616]: field `len` of struct `S` is private
-  --> $DIR/issue-26472.rs:12:7
+  --> $DIR/private-struct-field-in-module.rs:14:7
    |
 LL |     s.len = v;
    |       ^^^ private field

tests/ui/type-inference/panic-with-unspecified-type.rs

@@ -1,3 +1,4 @@
+//! regression test for <https://github.com/rust-lang/rust/issues/16966>
 //@ edition:2015..2021
 fn main() {
     panic!(std::default::Default::default());

tests/ui/type-inference/panic-with-unspecified-type.stderr

@@ -1,5 +1,5 @@
 error[E0283]: type annotations needed
-  --> $DIR/issue-16966.rs:3:12
+  --> $DIR/panic-with-unspecified-type.rs:4:12
    |
 LL |     panic!(std::default::Default::default());
    |     -------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-

tests/ui/type-inference/send-with-unspecified-type.rs

@@ -1,3 +1,5 @@
+//! regression test for <https://github.com/rust-lang/rust/issues/25368>
+
 use std::sync::mpsc::channel;
 use std::thread::spawn;
 use std::marker::PhantomData;

tests/ui/type-inference/send-with-unspecified-type.stderr

@@ -1,5 +1,5 @@
 error[E0282]: type annotations needed
-  --> $DIR/issue-25368.rs:11:27
+  --> $DIR/send-with-unspecified-type.rs:13:27
    |
 LL |         tx.send(Foo{ foo: PhantomData });
    |                           ^^^^^^^^^^^ cannot infer type of the type parameter `T` declared on the struct `PhantomData`

tests/ui/type-inference/swap-with-unspecified-type.rs

@@ -1,3 +1,5 @@
+//! regression test for <https://github.com/rust-lang/rust/issues/24013>
+
 fn main() {
     use std::mem::{transmute, swap};
     let a = 1;

tests/ui/type-inference/swap-with-unspecified-type.stderr

@@ -1,5 +1,5 @@
 error[E0282]: type annotations needed
-  --> $DIR/issue-24013.rs:5:13
+  --> $DIR/swap-with-unspecified-type.rs:7:13
    |
 LL |     unsafe {swap::<&mut _>(transmute(&a), transmute(&b))};
    |             ^^^^^^^^^^^^^^ cannot infer type of the type parameter `T` declared on the function `swap`

tests/ui/type/struct-constructor-as-value.rs

@@ -1,3 +1,5 @@
+//! regression test for <https://github.com/rust-lang/rust/issues/35241>
+
 struct Foo(u32);
 
 fn test() -> Foo { Foo } //~ ERROR mismatched types

tests/ui/type/struct-constructor-as-value.stderr

@@ -1,5 +1,5 @@
 error[E0308]: mismatched types
-  --> $DIR/issue-35241.rs:3:20
+  --> $DIR/struct-constructor-as-value.rs:5:20
    |
 LL | struct Foo(u32);
    | ---------- `Foo` defines a struct constructor here, which should be called