mirror of https://github.com/rust-lang/rust
19 lines
654 B
Rust
19 lines
654 B
Rust
// #98842 stack overflow in trait inference
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// issue: rust-lang/rust#98842
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//@ check-fail
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//@ edition:2021
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//@ stderr-per-bitwidth
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//@ ignore-endian-big
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//~^^^^^^ ERROR cycle detected when computing layout of `Foo`
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// If the inner `Foo` is named through an associated type,
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// the "infinite size" error does not occur.
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struct Foo(<&'static Foo as ::core::ops::Deref>::Target);
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// But Rust will be unable to know whether `Foo` is sized or not,
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// and it will infinitely recurse somewhere trying to figure out the
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// size of this pointer (is my guess):
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const _: *const Foo = 0 as _;
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//~^ ERROR it is undefined behavior to use this value
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pub fn main() {}
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