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error[E0119]: conflicting implementations of trait `MyTrait` for type `MyFoo`
--> $DIR/never-from-impl-is-reserved.rs:10:1
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LL | impl MyTrait for MyFoo {}
| ---------------------- first implementation here
LL | // This will conflict with the first impl if we impl `for<T> T: From<!>`.
LL | impl<T> MyTrait for T where T: From<!> {}
| ^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `MyFoo`
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= note: permitting this impl would forbid us from adding `impl<T> From<!> for T` later; see rust-lang/rust#64715 for details
error: aborting due to previous error
For more information about this error, try `rustc --explain E0119`.
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