|  | error[E0658]: cannot call conditionally-const operator in constant functions | 
|  | --> $DIR/issue-90870.rs:9:5 | 
|  | | | 
|  | LL |     a == b | 
|  | |     ^^^^^^ | 
|  | | | 
|  | = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants | 
|  | = note: see issue #143874 <https://github.com/rust-lang/rust/issues/143874> for more information | 
|  | = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable | 
|  | = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date | 
|  | help: consider dereferencing here | 
|  | | | 
|  | LL |     *a == *b | 
|  | |     +     + | 
|  |  | 
|  | error: `PartialEq` is not yet stable as a const trait | 
|  | --> $DIR/issue-90870.rs:9:5 | 
|  | | | 
|  | LL |     a == b | 
|  | |     ^^^^^^ | 
|  | | | 
|  | help: add `#![feature(const_cmp)]` to the crate attributes to enable | 
|  | | | 
|  | LL + #![feature(const_cmp)] | 
|  | | | 
|  |  | 
|  | error[E0658]: cannot call conditionally-const operator in constant functions | 
|  | --> $DIR/issue-90870.rs:17:5 | 
|  | | | 
|  | LL |     a == b | 
|  | |     ^^^^^^ | 
|  | | | 
|  | = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants | 
|  | = note: see issue #143874 <https://github.com/rust-lang/rust/issues/143874> for more information | 
|  | = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable | 
|  | = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date | 
|  | help: consider dereferencing here | 
|  | | | 
|  | LL |     ****a == ****b | 
|  | |     ++++     ++++ | 
|  |  | 
|  | error: `PartialEq` is not yet stable as a const trait | 
|  | --> $DIR/issue-90870.rs:17:5 | 
|  | | | 
|  | LL |     a == b | 
|  | |     ^^^^^^ | 
|  | | | 
|  | help: add `#![feature(const_cmp)]` to the crate attributes to enable | 
|  | | | 
|  | LL + #![feature(const_cmp)] | 
|  | | | 
|  |  | 
|  | error[E0658]: cannot call conditionally-const operator in constant functions | 
|  | --> $DIR/issue-90870.rs:26:12 | 
|  | | | 
|  | LL |         if l == r { | 
|  | |            ^^^^^^ | 
|  | | | 
|  | = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants | 
|  | = note: see issue #143874 <https://github.com/rust-lang/rust/issues/143874> for more information | 
|  | = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable | 
|  | = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date | 
|  | help: consider dereferencing here | 
|  | | | 
|  | LL |         if *l == *r { | 
|  | |            +     + | 
|  |  | 
|  | error: `PartialEq` is not yet stable as a const trait | 
|  | --> $DIR/issue-90870.rs:26:12 | 
|  | | | 
|  | LL |         if l == r { | 
|  | |            ^^^^^^ | 
|  | | | 
|  | help: add `#![feature(const_cmp)]` to the crate attributes to enable | 
|  | | | 
|  | LL + #![feature(const_cmp)] | 
|  | | | 
|  |  | 
|  | error: aborting due to 6 previous errors | 
|  |  | 
|  | For more information about this error, try `rustc --explain E0658`. |