mirror of https://github.com/rust-lang/rust
26 lines
568 B
Rust
26 lines
568 B
Rust
//@ normalize-stderr-test "\d+ bits" -> "N bits"
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// Tests that are conservative around thin/fat pointer mismatches.
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#![allow(dead_code)]
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use std::mem::transmute;
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struct Foo<T: ?Sized> {
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t: Box<T>
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}
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impl<T: ?Sized> Foo<T> {
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fn m(x: &T) -> &isize where T : Sized {
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// OK here, because T : Sized is in scope.
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unsafe { transmute(x) }
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}
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fn n(x: &T) -> &isize {
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// Not OK here, because T : Sized is not in scope.
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unsafe { transmute(x) } //~ ERROR cannot transmute between types of different sizes
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}
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}
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fn main() { }
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