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error: to use a constant of type `MyType` in a pattern, `MyType` must be annotated with `#[derive(PartialEq)]`
--> $DIR/const-partial_eq-fallback-ice.rs:14:12
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LL | if let CONSTANT = &&MyType {
| ^^^^^^^^
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= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
error: aborting due to 1 previous error
Future incompatibility report: Future breakage diagnostic:
warning: to use a constant of type `MyType` in a pattern, `MyType` must be annotated with `#[derive(PartialEq)]`
--> $DIR/const-partial_eq-fallback-ice.rs:14:12
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LL | if let CONSTANT = &&MyType {
| ^^^^^^^^
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= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #120362 <https://github.com/rust-lang/rust/issues/120362>
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
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