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Diffstat (limited to 'tests/ui/mir/remove-zsts-query-cycle.rs')
-rw-r--r-- | tests/ui/mir/remove-zsts-query-cycle.rs | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/tests/ui/mir/remove-zsts-query-cycle.rs b/tests/ui/mir/remove-zsts-query-cycle.rs new file mode 100644 index 000000000..be4d68f2d --- /dev/null +++ b/tests/ui/mir/remove-zsts-query-cycle.rs @@ -0,0 +1,16 @@ +// Regression test for #88972. Used to cause a query cycle: +// optimized mir -> remove zsts -> layout of a generator -> optimized mir. +// +// edition:2018 +// compile-flags: --crate-type=lib -Zinline-mir=yes +// build-pass + +pub async fn listen() -> Result<(), std::io::Error> { + let f = do_async(); + std::mem::forget(f); + Ok(()) +} + +pub async fn do_async() { + listen().await.unwrap() +} |