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Add regression test

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bjorn3 2025-01-24 16:19:25 +00:00
parent bc0170a43b
commit 6f543d5ceb
2 changed files with 23 additions and 0 deletions
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5
tests/ui/parallel-rustc/cycle_crash.rs Normal file
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//@ compile-flags: -Z threads=2
const FOO: usize = FOO; //~ERROR cycle detected when simplifying constant for the type system `FOO`
fn main() {}

18
tests/ui/parallel-rustc/cycle_crash.stderr Normal file
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error[E0391]: cycle detected when simplifying constant for the type system `FOO`
--> $DIR/cycle_crash.rs:3:1
|
LL | const FOO: usize = FOO;
| ^^^^^^^^^^^^^^^^
|
note: ...which requires const-evaluating + checking `FOO`...
--> $DIR/cycle_crash.rs:3:20
|
LL | const FOO: usize = FOO;
| ^^^
= note: ...which again requires simplifying constant for the type system `FOO`, completing the cycle
= note: cycle used when running analysis passes on this crate
= 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`.