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118d4e62c3
When `sized_hierarchy` is enabled, rustc should print `MetaSized` or `PointeeSized` instead of `?Sized` in opaques.
14 lines
284 B
Rust
14 lines
284 B
Rust
//@ compile-flags: --crate-type=lib
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pub trait Tr {}
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impl Tr for u32 {}
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pub fn foo() -> Box<impl Tr + ?Sized> {
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if true {
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let x = foo();
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let y: Box<dyn Tr> = x;
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//~^ ERROR: the size for values of type `impl Tr + ?Sized` cannot be known
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}
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Box::new(1u32)
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}
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