warning: denote infinite loops with `loop { ... }`
  --> $DIR/issue-52443.rs:6:11
   |
LL |     [(); {while true {break}; 0}];
   |           ^^^^^^^^^^ help: use `loop`
   |
   = note: `#[warn(while_true)]` on by default

error[E0658]: `for` is not allowed in a `const`
  --> $DIR/issue-52443.rs:9:12
   |
LL |     [(); { for _ in 0usize.. {}; 0}];
   |            ^^^^^^^^^^^^^^^^^^^^
   |
   = note: see issue #87575 <https://github.com/rust-lang/rust/issues/87575> for more information
   = help: add `#![feature(const_for)]` to the crate attributes to enable

error[E0308]: mismatched types
  --> $DIR/issue-52443.rs:2:10
   |
LL |     [(); & { loop { continue } } ];
   |          ^^^^^^^^^^^^^^^^^^^^^^^ expected `usize`, found reference
   |
   = note:   expected type `usize`
           found reference `&_`
help: consider removing the borrow
   |
LL -     [(); & { loop { continue } } ];
LL +     [(); { loop { continue } } ];
   |

error[E0308]: mismatched types
  --> $DIR/issue-52443.rs:4:17
   |
LL |     [(); loop { break }];
   |                 ^^^^^
   |                 |
   |                 expected `usize`, found `()`
   |                 help: give it a value of the expected type: `break 42`

error[E0015]: cannot convert `RangeFrom<usize>` into an iterator in constants
  --> $DIR/issue-52443.rs:9:21
   |
LL |     [(); { for _ in 0usize.. {}; 0}];
   |                     ^^^^^^^^
   |
note: impl defined here, but it is not `const`
  --> $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL
   = note: calls in constants are limited to constant functions, tuple structs and tuple variants
   = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable

error[E0658]: mutable references are not allowed in constants
  --> $DIR/issue-52443.rs:9:21
   |
LL |     [(); { for _ in 0usize.. {}; 0}];
   |                     ^^^^^^^^
   |
   = note: see issue #57349 <https://github.com/rust-lang/rust/issues/57349> for more information
   = help: add `#![feature(const_mut_refs)]` to the crate attributes to enable

error[E0015]: cannot call non-const fn `<RangeFrom<usize> as Iterator>::next` in constants
  --> $DIR/issue-52443.rs:9:21
   |
LL |     [(); { for _ in 0usize.. {}; 0}];
   |                     ^^^^^^^^
   |
   = note: calls in constants are limited to constant functions, tuple structs and tuple variants
   = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable

error: aborting due to 6 previous errors; 1 warning emitted

Some errors have detailed explanations: E0015, E0308, E0658.
For more information about an error, try `rustc --explain E0015`.