`never_loop` catches `loop { panic!() }`

13 files changed, 96 insertions, 57 deletions

diff --git a/tests/ui/crashes/ice-360.rs b/tests/ui/crashes/ice-360.rs
index 28589e1efed..0d10932b098 100644
--- a/tests/ui/crashes/ice-360.rs
+++ b/tests/ui/crashes/ice-360.rs
@@ -3,7 +3,8 @@ fn main() {}
 fn no_panic<T>(slice: &[T]) {
     let mut iter = slice.iter();
     loop {
-        //~^ ERROR: this loop could be written as a `while let` loop
+        //~^ ERROR: this loop never actually loops
+        //~| ERROR: this loop could be written as a `while let` loop
         //~| NOTE: `-D clippy::while-let-loop` implied by `-D warnings`
         let _ = match iter.next() {
             Some(ele) => ele,
diff --git a/tests/ui/crashes/ice-360.stderr b/tests/ui/crashes/ice-360.stderr
index 292b27dd934..73287d231de 100644
--- a/tests/ui/crashes/ice-360.stderr
+++ b/tests/ui/crashes/ice-360.stderr
@@ -1,10 +1,24 @@
+error: this loop never actually loops
+  --> $DIR/ice-360.rs:5:5
+   |
+LL | /     loop {
+LL | |
+LL | |
+LL | |
+...  |
+LL | |
+LL | |     }
+   | |_____^
+   |
+   = note: `#[deny(clippy::never_loop)]` on by default
+
 error: this loop could be written as a `while let` loop
   --> $DIR/ice-360.rs:5:5
    |
 LL | /     loop {
 LL | |
 LL | |
-LL | |         let _ = match iter.next() {
+LL | |
 ...  |
 LL | |
 LL | |     }
@@ -13,7 +27,7 @@ LL | |     }
    = note: `-D clippy::while-let-loop` implied by `-D warnings`
 
 error: empty `loop {}` wastes CPU cycles
-  --> $DIR/ice-360.rs:12:9
+  --> $DIR/ice-360.rs:13:9
    |
 LL |         loop {}
    |         ^^^^^^^
@@ -21,5 +35,5 @@ LL |         loop {}
    = help: you should either use `panic!()` or add `std::thread::sleep(..);` to the loop body
    = note: `-D clippy::empty-loop` implied by `-D warnings`
 
-error: aborting due to 2 previous errors
+error: aborting due to 3 previous errors
 
diff --git a/tests/ui/empty_loop.rs b/tests/ui/empty_loop.rs
index 54e8fb4907c..be347563135 100644
--- a/tests/ui/empty_loop.rs
+++ b/tests/ui/empty_loop.rs
@@ -7,10 +7,12 @@ use proc_macros::{external, inline_macros};
 
 fn should_trigger() {
     loop {}
+    #[allow(clippy::never_loop)]
     loop {
         loop {}
     }
 
+    #[allow(clippy::never_loop)]
     'outer: loop {
         'inner: loop {}
     }
@@ -18,6 +20,7 @@ fn should_trigger() {
 
 #[inline_macros]
 fn should_not_trigger() {
+    #[allow(clippy::never_loop)]
     loop {
         panic!("This is fine")
     }
diff --git a/tests/ui/empty_loop.stderr b/tests/ui/empty_loop.stderr
index 7602412334b..8594f26036e 100644
--- a/tests/ui/empty_loop.stderr
+++ b/tests/ui/empty_loop.stderr
@@ -8,7 +8,7 @@ LL |     loop {}
    = note: `-D clippy::empty-loop` implied by `-D warnings`
 
 error: empty `loop {}` wastes CPU cycles
-  --> $DIR/empty_loop.rs:11:9
+  --> $DIR/empty_loop.rs:12:9
    |
 LL |         loop {}
    |         ^^^^^^^
@@ -16,7 +16,7 @@ LL |         loop {}
    = help: you should either use `panic!()` or add `std::thread::sleep(..);` to the loop body
 
 error: empty `loop {}` wastes CPU cycles
-  --> $DIR/empty_loop.rs:15:9
+  --> $DIR/empty_loop.rs:17:9
    |
 LL |         'inner: loop {}
    |         ^^^^^^^^^^^^^^^
diff --git a/tests/ui/iter_out_of_bounds.rs b/tests/ui/iter_out_of_bounds.rs
index c34eb1be0c5..3cfe6e82fc1 100644
--- a/tests/ui/iter_out_of_bounds.rs
+++ b/tests/ui/iter_out_of_bounds.rs
@@ -8,6 +8,7 @@ fn opaque_empty_iter() -> impl Iterator<Item = ()> {
 }
 
 fn main() {
+    #[allow(clippy::never_loop)]
     for _ in [1, 2, 3].iter().skip(4) {
         //~^ ERROR: this `.skip()` call skips more items than the iterator will produce
         unreachable!();
diff --git a/tests/ui/iter_out_of_bounds.stderr b/tests/ui/iter_out_of_bounds.stderr
index 98ee28fcaf6..f235faec8e5 100644
--- a/tests/ui/iter_out_of_bounds.stderr
+++ b/tests/ui/iter_out_of_bounds.stderr
@@ -1,5 +1,5 @@
 error: this `.skip()` call skips more items than the iterator will produce
-  --> $DIR/iter_out_of_bounds.rs:11:14
+  --> $DIR/iter_out_of_bounds.rs:12:14
    |
 LL |     for _ in [1, 2, 3].iter().skip(4) {
    |              ^^^^^^^^^^^^^^^^^^^^^^^^
@@ -12,7 +12,7 @@ LL | #![deny(clippy::iter_out_of_bounds)]
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: this `.take()` call takes more items than the iterator will produce
-  --> $DIR/iter_out_of_bounds.rs:15:19
+  --> $DIR/iter_out_of_bounds.rs:16:19
    |
 LL |     for (i, _) in [1, 2, 3].iter().take(4).enumerate() {
    |                   ^^^^^^^^^^^^^^^^^^^^^^^^
@@ -20,7 +20,7 @@ LL |     for (i, _) in [1, 2, 3].iter().take(4).enumerate() {
    = note: this operation is useless and the returned iterator will simply yield the same items
 
 error: this `.take()` call takes more items than the iterator will produce
-  --> $DIR/iter_out_of_bounds.rs:21:14
+  --> $DIR/iter_out_of_bounds.rs:22:14
    |
 LL |     for _ in (&&&&&&[1, 2, 3]).iter().take(4) {}
    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -28,7 +28,7 @@ LL |     for _ in (&&&&&&[1, 2, 3]).iter().take(4) {}
    = note: this operation is useless and the returned iterator will simply yield the same items
 
 error: this `.skip()` call skips more items than the iterator will produce
-  --> $DIR/iter_out_of_bounds.rs:24:14
+  --> $DIR/iter_out_of_bounds.rs:25:14
    |
 LL |     for _ in [1, 2, 3].iter().skip(4) {}
    |              ^^^^^^^^^^^^^^^^^^^^^^^^
@@ -36,7 +36,7 @@ LL |     for _ in [1, 2, 3].iter().skip(4) {}
    = note: this operation is useless and will create an empty iterator
 
 error: this `.skip()` call skips more items than the iterator will produce
-  --> $DIR/iter_out_of_bounds.rs:27:14
+  --> $DIR/iter_out_of_bounds.rs:28:14
    |
 LL |     for _ in [1; 3].iter().skip(4) {}
    |              ^^^^^^^^^^^^^^^^^^^^^
@@ -44,7 +44,7 @@ LL |     for _ in [1; 3].iter().skip(4) {}
    = note: this operation is useless and will create an empty iterator
 
 error: this `.skip()` call skips more items than the iterator will produce
-  --> $DIR/iter_out_of_bounds.rs:33:14
+  --> $DIR/iter_out_of_bounds.rs:34:14
    |
 LL |     for _ in vec![1, 2, 3].iter().skip(4) {}
    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -52,7 +52,7 @@ LL |     for _ in vec![1, 2, 3].iter().skip(4) {}
    = note: this operation is useless and will create an empty iterator
 
 error: this `.skip()` call skips more items than the iterator will produce
-  --> $DIR/iter_out_of_bounds.rs:36:14
+  --> $DIR/iter_out_of_bounds.rs:37:14
    |
 LL |     for _ in vec![1; 3].iter().skip(4) {}
    |              ^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -60,7 +60,7 @@ LL |     for _ in vec![1; 3].iter().skip(4) {}
    = note: this operation is useless and will create an empty iterator
 
 error: this `.skip()` call skips more items than the iterator will produce
-  --> $DIR/iter_out_of_bounds.rs:40:14
+  --> $DIR/iter_out_of_bounds.rs:41:14
    |
 LL |     for _ in x.iter().skip(4) {}
    |              ^^^^^^^^^^^^^^^^
@@ -68,7 +68,7 @@ LL |     for _ in x.iter().skip(4) {}
    = note: this operation is useless and will create an empty iterator
 
 error: this `.skip()` call skips more items than the iterator will produce
-  --> $DIR/iter_out_of_bounds.rs:44:14
+  --> $DIR/iter_out_of_bounds.rs:45:14
    |
 LL |     for _ in x.iter().skip(n) {}
    |              ^^^^^^^^^^^^^^^^
@@ -76,7 +76,7 @@ LL |     for _ in x.iter().skip(n) {}
    = note: this operation is useless and will create an empty iterator
 
 error: this `.skip()` call skips more items than the iterator will produce
-  --> $DIR/iter_out_of_bounds.rs:49:14
+  --> $DIR/iter_out_of_bounds.rs:50:14
    |
 LL |     for _ in empty().skip(1) {}
    |              ^^^^^^^^^^^^^^^
@@ -84,7 +84,7 @@ LL |     for _ in empty().skip(1) {}
    = note: this operation is useless and will create an empty iterator
 
 error: this `.take()` call takes more items than the iterator will produce
-  --> $DIR/iter_out_of_bounds.rs:52:14
+  --> $DIR/iter_out_of_bounds.rs:53:14
    |
 LL |     for _ in empty().take(1) {}
    |              ^^^^^^^^^^^^^^^
@@ -92,7 +92,7 @@ LL |     for _ in empty().take(1) {}
    = note: this operation is useless and the returned iterator will simply yield the same items
 
 error: this `.skip()` call skips more items than the iterator will produce
-  --> $DIR/iter_out_of_bounds.rs:55:14
+  --> $DIR/iter_out_of_bounds.rs:56:14
    |
 LL |     for _ in std::iter::once(1).skip(2) {}
    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -100,7 +100,7 @@ LL |     for _ in std::iter::once(1).skip(2) {}
    = note: this operation is useless and will create an empty iterator
 
 error: this `.take()` call takes more items than the iterator will produce
-  --> $DIR/iter_out_of_bounds.rs:58:14
+  --> $DIR/iter_out_of_bounds.rs:59:14
    |
 LL |     for _ in std::iter::once(1).take(2) {}
    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -108,7 +108,7 @@ LL |     for _ in std::iter::once(1).take(2) {}
    = note: this operation is useless and the returned iterator will simply yield the same items
 
 error: this `.take()` call takes more items than the iterator will produce
-  --> $DIR/iter_out_of_bounds.rs:61:14
+  --> $DIR/iter_out_of_bounds.rs:62:14
    |
 LL |     for x in [].iter().take(1) {
    |              ^^^^^^^^^^^^^^^^^
diff --git a/tests/ui/needless_collect_indirect.rs b/tests/ui/needless_collect_indirect.rs
index 9d66c5f255f..b4a536cb159 100644
--- a/tests/ui/needless_collect_indirect.rs
+++ b/tests/ui/needless_collect_indirect.rs
@@ -260,6 +260,7 @@ mod issue_8553 {
         let w = v.iter().collect::<Vec<_>>();
         //~^ ERROR: avoid using `collect()` when not needed
         // Do lint
+        #[allow(clippy::never_loop)]
         for _ in 0..w.len() {
             todo!();
         }
@@ -270,6 +271,7 @@ mod issue_8553 {
         let v: Vec<usize> = vec.iter().map(|i| i * i).collect();
         let w = v.iter().collect::<Vec<_>>();
         // Do not lint, because w is used.
+        #[allow(clippy::never_loop)]
         for _ in 0..w.len() {
             todo!();
         }
@@ -283,6 +285,7 @@ mod issue_8553 {
         let mut w = v.iter().collect::<Vec<_>>();
         //~^ ERROR: avoid using `collect()` when not needed
         // Do lint
+        #[allow(clippy::never_loop)]
         while 1 == w.len() {
             todo!();
         }
@@ -293,6 +296,7 @@ mod issue_8553 {
         let mut v: Vec<usize> = vec.iter().map(|i| i * i).collect();
         let mut w = v.iter().collect::<Vec<_>>();
         // Do not lint, because w is used.
+        #[allow(clippy::never_loop)]
         while 1 == w.len() {
             todo!();
         }
@@ -306,6 +310,7 @@ mod issue_8553 {
         let mut w = v.iter().collect::<Vec<_>>();
         //~^ ERROR: avoid using `collect()` when not needed
         // Do lint
+        #[allow(clippy::never_loop)]
         while let Some(i) = Some(w.len()) {
             todo!();
         }
@@ -316,6 +321,7 @@ mod issue_8553 {
         let mut v: Vec<usize> = vec.iter().map(|i| i * i).collect();
         let mut w = v.iter().collect::<Vec<_>>();
         // Do not lint, because w is used.
+        #[allow(clippy::never_loop)]
         while let Some(i) = Some(w.len()) {
             todo!();
         }
diff --git a/tests/ui/needless_collect_indirect.stderr b/tests/ui/needless_collect_indirect.stderr
index 9337a741242..47048b74125 100644
--- a/tests/ui/needless_collect_indirect.stderr
+++ b/tests/ui/needless_collect_indirect.stderr
@@ -230,11 +230,12 @@ help: take the original Iterator's count instead of collecting it and finding th
 LL ~         
 LL |
 LL |         // Do lint
+LL |         #[allow(clippy::never_loop)]
 LL ~         for _ in 0..v.iter().count() {
    |
 
 error: avoid using `collect()` when not needed
-  --> $DIR/needless_collect_indirect.rs:283:30
+  --> $DIR/needless_collect_indirect.rs:285:30
    |
 LL |         let mut w = v.iter().collect::<Vec<_>>();
    |                              ^^^^^^^
@@ -247,11 +248,12 @@ help: take the original Iterator's count instead of collecting it and finding th
 LL ~         
 LL |
 LL |         // Do lint
+LL |         #[allow(clippy::never_loop)]
 LL ~         while 1 == v.iter().count() {
    |
 
 error: avoid using `collect()` when not needed
-  --> $DIR/needless_collect_indirect.rs:306:30
+  --> $DIR/needless_collect_indirect.rs:310:30
    |
 LL |         let mut w = v.iter().collect::<Vec<_>>();
    |                              ^^^^^^^
@@ -264,6 +266,7 @@ help: take the original Iterator's count instead of collecting it and finding th
 LL ~         
 LL |
 LL |         // Do lint
+LL |         #[allow(clippy::never_loop)]
 LL ~         while let Some(i) = Some(v.iter().count()) {
    |
 
diff --git a/tests/ui/similar_names.rs b/tests/ui/similar_names.rs
index c5a941316da..f46af56c6e2 100644
--- a/tests/ui/similar_names.rs
+++ b/tests/ui/similar_names.rs
@@ -3,6 +3,7 @@
     unused,
     clippy::println_empty_string,
     clippy::empty_loop,
+    clippy::never_loop,
     clippy::diverging_sub_expression,
     clippy::let_unit_value
 )]
diff --git a/tests/ui/similar_names.stderr b/tests/ui/similar_names.stderr
index 059e26d5891..00735617bc2 100644
--- a/tests/ui/similar_names.stderr
+++ b/tests/ui/similar_names.stderr
@@ -1,84 +1,84 @@
 error: binding's name is too similar to existing binding
-  --> $DIR/similar_names.rs:21:9
+  --> $DIR/similar_names.rs:22:9
    |
 LL |     let bpple: i32;
    |         ^^^^^
    |
 note: existing binding defined here
-  --> $DIR/similar_names.rs:19:9
+  --> $DIR/similar_names.rs:20:9
    |
 LL |     let apple: i32;
    |         ^^^^^
    = note: `-D clippy::similar-names` implied by `-D warnings`
 
 error: binding's name is too similar to existing binding
-  --> $DIR/similar_names.rs:24:9
+  --> $DIR/similar_names.rs:25:9
    |
 LL |     let cpple: i32;
    |         ^^^^^
    |
 note: existing binding defined here
-  --> $DIR/similar_names.rs:19:9
+  --> $DIR/similar_names.rs:20:9
    |
 LL |     let apple: i32;
    |         ^^^^^
 
 error: binding's name is too similar to existing binding
-  --> $DIR/similar_names.rs:49:9
+  --> $DIR/similar_names.rs:50:9
    |
 LL |     let bluby: i32;
    |         ^^^^^
    |
 note: existing binding defined here
-  --> $DIR/similar_names.rs:48:9
+  --> $DIR/similar_names.rs:49:9
    |
 LL |     let blubx: i32;
    |         ^^^^^
 
 error: binding's name is too similar to existing binding
-  --> $DIR/similar_names.rs:54:9
+  --> $DIR/similar_names.rs:55:9
    |
 LL |     let coke: i32;
    |         ^^^^
    |
 note: existing binding defined here
-  --> $DIR/similar_names.rs:52:9
+  --> $DIR/similar_names.rs:53:9
    |
 LL |     let cake: i32;
    |         ^^^^
 
 error: binding's name is too similar to existing binding
-  --> $DIR/similar_names.rs:73:9
+  --> $DIR/similar_names.rs:74:9
    |
 LL |     let xyzeabc: i32;
    |         ^^^^^^^
    |
 note: existing binding defined here
-  --> $DIR/similar_names.rs:71:9
+  --> $DIR/similar_names.rs:72:9
    |
 LL |     let xyz1abc: i32;
    |         ^^^^^^^
 
 error: binding's name is too similar to existing binding
-  --> $DIR/similar_names.rs:78:9
+  --> $DIR/similar_names.rs:79:9
    |
 LL |     let parsee: i32;
    |         ^^^^^^
    |
 note: existing binding defined here
-  --> $DIR/similar_names.rs:76:9
+  --> $DIR/similar_names.rs:77:9
    |
 LL |     let parser: i32;
    |         ^^^^^^
 
 error: binding's name is too similar to existing binding
-  --> $DIR/similar_names.rs:100:16
+  --> $DIR/similar_names.rs:101:16
    |
 LL |         bpple: sprang,
    |                ^^^^^^
    |
 note: existing binding defined here
-  --> $DIR/similar_names.rs:99:16
+  --> $DIR/similar_names.rs:100:16
    |
 LL |         apple: spring,
    |                ^^^^^^
diff --git a/tests/ui/vec.fixed b/tests/ui/vec.fixed
index 3ff2acbe28f..de1eb613ce0 100644
--- a/tests/ui/vec.fixed
+++ b/tests/ui/vec.fixed
@@ -1,5 +1,10 @@
 #![warn(clippy::useless_vec)]
-#![allow(clippy::nonstandard_macro_braces, clippy::uninlined_format_args, unused)]
+#![allow(
+    clippy::nonstandard_macro_braces,
+    clippy::never_loop,
+    clippy::uninlined_format_args,
+    unused
+)]
 
 use std::rc::Rc;
 
diff --git a/tests/ui/vec.rs b/tests/ui/vec.rs
index 2ab025f424a..1da10c28880 100644
--- a/tests/ui/vec.rs
+++ b/tests/ui/vec.rs
@@ -1,5 +1,10 @@
 #![warn(clippy::useless_vec)]
-#![allow(clippy::nonstandard_macro_braces, clippy::uninlined_format_args, unused)]
+#![allow(
+    clippy::nonstandard_macro_braces,
+    clippy::never_loop,
+    clippy::uninlined_format_args,
+    unused
+)]
 
 use std::rc::Rc;
 
diff --git a/tests/ui/vec.stderr b/tests/ui/vec.stderr
index 5cd6d9fa8c7..a4c2b8984e0 100644
--- a/tests/ui/vec.stderr
+++ b/tests/ui/vec.stderr
@@ -1,5 +1,5 @@
 error: useless use of `vec!`
-  --> $DIR/vec.rs:30:14
+  --> $DIR/vec.rs:35:14
    |
 LL |     on_slice(&vec![]);
    |              ^^^^^^^ help: you can use a slice directly: `&[]`
@@ -7,109 +7,109 @@ LL |     on_slice(&vec![]);
    = note: `-D clippy::useless-vec` implied by `-D warnings`
 
 error: useless use of `vec!`
-  --> $DIR/vec.rs:32:18
+  --> $DIR/vec.rs:37:18
    |
 LL |     on_mut_slice(&mut vec![]);
    |                  ^^^^^^^^^^^ help: you can use a slice directly: `&mut []`
 
 error: useless use of `vec!`
-  --> $DIR/vec.rs:34:14
+  --> $DIR/vec.rs:39:14
    |
 LL |     on_slice(&vec![1, 2]);
    |              ^^^^^^^^^^^ help: you can use a slice directly: `&[1, 2]`
 
 error: useless use of `vec!`
-  --> $DIR/vec.rs:36:18
+  --> $DIR/vec.rs:41:18
    |
 LL |     on_mut_slice(&mut vec![1, 2]);
    |                  ^^^^^^^^^^^^^^^ help: you can use a slice directly: `&mut [1, 2]`
 
 error: useless use of `vec!`
-  --> $DIR/vec.rs:38:14
+  --> $DIR/vec.rs:43:14
    |
 LL |     on_slice(&vec![1, 2]);
    |              ^^^^^^^^^^^ help: you can use a slice directly: `&[1, 2]`
 
 error: useless use of `vec!`
-  --> $DIR/vec.rs:40:18
+  --> $DIR/vec.rs:45:18
    |
 LL |     on_mut_slice(&mut vec![1, 2]);
    |                  ^^^^^^^^^^^^^^^ help: you can use a slice directly: `&mut [1, 2]`
 
 error: useless use of `vec!`
-  --> $DIR/vec.rs:42:14
+  --> $DIR/vec.rs:47:14
    |
 LL |     on_slice(&vec!(1, 2));
    |              ^^^^^^^^^^^ help: you can use a slice directly: `&[1, 2]`
 
 error: useless use of `vec!`
-  --> $DIR/vec.rs:44:18
+  --> $DIR/vec.rs:49:18
    |
 LL |     on_mut_slice(&mut vec![1, 2]);
    |                  ^^^^^^^^^^^^^^^ help: you can use a slice directly: `&mut [1, 2]`
 
 error: useless use of `vec!`
-  --> $DIR/vec.rs:46:14
+  --> $DIR/vec.rs:51:14
    |
 LL |     on_slice(&vec![1; 2]);
    |              ^^^^^^^^^^^ help: you can use a slice directly: `&[1; 2]`
 
 error: useless use of `vec!`
-  --> $DIR/vec.rs:48:18
+  --> $DIR/vec.rs:53:18
    |
 LL |     on_mut_slice(&mut vec![1; 2]);
    |                  ^^^^^^^^^^^^^^^ help: you can use a slice directly: `&mut [1; 2]`
 
 error: useless use of `vec!`
-  --> $DIR/vec.rs:74:19
+  --> $DIR/vec.rs:79:19
    |
 LL |     let _x: i32 = vec![1, 2, 3].iter().sum();
    |                   ^^^^^^^^^^^^^ help: you can use an array directly: `[1, 2, 3]`
 
 error: useless use of `vec!`
-  --> $DIR/vec.rs:77:17
+  --> $DIR/vec.rs:82:17
    |
 LL |     let mut x = vec![1, 2, 3];
    |                 ^^^^^^^^^^^^^ help: you can use an array directly: `[1, 2, 3]`
 
 error: useless use of `vec!`
-  --> $DIR/vec.rs:83:22
+  --> $DIR/vec.rs:88:22
    |
 LL |     let _x: &[i32] = &vec![1, 2, 3];
    |                      ^^^^^^^^^^^^^^ help: you can use a slice directly: `&[1, 2, 3]`
 
 error: useless use of `vec!`
-  --> $DIR/vec.rs:85:14
+  --> $DIR/vec.rs:90:14
    |
 LL |     for _ in vec![1, 2, 3] {}
    |              ^^^^^^^^^^^^^ help: you can use an array directly: `[1, 2, 3]`
 
 error: useless use of `vec!`
-  --> $DIR/vec.rs:123:20
+  --> $DIR/vec.rs:128:20
    |
 LL |     for _string in vec![repro!(true), repro!(null)] {
    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `[repro!(true), repro!(null)]`
 
 error: useless use of `vec!`
-  --> $DIR/vec.rs:140:18
+  --> $DIR/vec.rs:145:18
    |
 LL |     in_macro!(1, vec![1, 2], vec![1; 2]);
    |                  ^^^^^^^^^^ help: you can use an array directly: `[1, 2]`
 
 error: useless use of `vec!`
-  --> $DIR/vec.rs:140:30
+  --> $DIR/vec.rs:145:30
    |
 LL |     in_macro!(1, vec![1, 2], vec![1; 2]);
    |                              ^^^^^^^^^^ help: you can use an array directly: `[1; 2]`
 
 error: useless use of `vec!`
-  --> $DIR/vec.rs:159:14
+  --> $DIR/vec.rs:164:14
    |
 LL |     for a in vec![1, 2, 3] {
    |              ^^^^^^^^^^^^^ help: you can use an array directly: `[1, 2, 3]`
 
 error: useless use of `vec!`
-  --> $DIR/vec.rs:163:14
+  --> $DIR/vec.rs:168:14
    |
 LL |     for a in vec![String::new(), String::new()] {
    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `[String::new(), String::new()]`