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error[E0391]: cycle detected when simplifying constant for the type system `FOO`
--> $DIR/issue-17252.rs:1:1
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LL | const FOO: usize = FOO;
| ^^^^^^^^^^^^^^^^
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note: ...which requires const-evaluating + checking `FOO`...
--> $DIR/issue-17252.rs:1:20
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LL | const FOO: usize = FOO;
| ^^^
= note: ...which again requires simplifying constant for the type system `FOO`, completing the cycle
note: cycle used when const-evaluating + checking `main::{constant#0}`
--> $DIR/issue-17252.rs:4:18
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LL | let _x: [u8; FOO]; // caused stack overflow prior to fix
| ^^^
= note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0391`.
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