diff options
Diffstat (limited to 'tests/ui')
5 files changed, 276 insertions, 0 deletions
diff --git a/tests/ui/async-await/deep-futures-are-freeze.rs b/tests/ui/async-await/deep-futures-are-freeze.rs new file mode 100644 index 00000000000..dd676d5e18c --- /dev/null +++ b/tests/ui/async-await/deep-futures-are-freeze.rs @@ -0,0 +1,179 @@ +// build-pass +// compile-flags: -Copt-level=s -Clto=fat +// no-prefer-dynamic +// edition: 2021 + +#![recursion_limit = "256"] + +fn main() { + spawn(move || main0()) +} + +fn spawn<F>(future: impl FnOnce() -> F) { + future(); +} + +async fn main0() { + main1().await; + main2().await; +} +async fn main1() { + main2().await; + main3().await; +} +async fn main2() { + main3().await; + main4().await; +} +async fn main3() { + main4().await; + main5().await; +} +async fn main4() { + main5().await; + main6().await; +} +async fn main5() { + main6().await; + main7().await; +} +async fn main6() { + main7().await; + main8().await; +} +async fn main7() { + main8().await; + main9().await; +} +async fn main8() { + main9().await; + main10().await; +} +async fn main9() { + main10().await; + main11().await; +} +async fn main10() { + main11().await; + main12().await; +} +async fn main11() { + main12().await; + main13().await; +} +async fn main12() { + main13().await; + main14().await; +} +async fn main13() { + main14().await; + main15().await; +} +async fn main14() { + main15().await; + main16().await; +} +async fn main15() { + main16().await; + main17().await; +} +async fn main16() { + main17().await; + main18().await; +} +async fn main17() { + main18().await; + main19().await; +} +async fn main18() { + main19().await; + main20().await; +} +async fn main19() { + main20().await; + main21().await; +} +async fn main20() { + main21().await; + main22().await; +} +async fn main21() { + main22().await; + main23().await; +} +async fn main22() { + main23().await; + main24().await; +} +async fn main23() { + main24().await; + main25().await; +} +async fn main24() { + main25().await; + main26().await; +} +async fn main25() { + main26().await; + main27().await; +} +async fn main26() { + main27().await; + main28().await; +} +async fn main27() { + main28().await; + main29().await; +} +async fn main28() { + main29().await; + main30().await; +} +async fn main29() { + main30().await; + main31().await; +} +async fn main30() { + main31().await; + main32().await; +} +async fn main31() { + main32().await; + main33().await; +} +async fn main32() { + main33().await; + main34().await; +} +async fn main33() { + main34().await; + main35().await; +} +async fn main34() { + main35().await; + main36().await; +} +async fn main35() { + main36().await; + main37().await; +} +async fn main36() { + main37().await; + main38().await; +} +async fn main37() { + main38().await; + main39().await; +} +async fn main38() { + main39().await; + main40().await; +} +async fn main39() { + main40().await; +} +async fn main40() { + boom(&mut ()).await; +} + +async fn boom(f: &mut ()) {} diff --git a/tests/ui/codegen/subtyping-enforces-type-equality.rs b/tests/ui/codegen/subtyping-enforces-type-equality.rs new file mode 100644 index 00000000000..a5ffcb3f854 --- /dev/null +++ b/tests/ui/codegen/subtyping-enforces-type-equality.rs @@ -0,0 +1,48 @@ +// ignore-pass +// build-pass +// edition:2021 +use std::future::Future; +use std::pin::Pin; + +type BoxFuture<T> = Pin<Box<dyn Future<Output = T>>>; + +fn main() { + let _ = wrapper_call(handler); +} + +async fn wrapper_call(handler: impl Handler) { + handler.call().await; +} +async fn handler() { + f(&()).await; +} +async fn f<'a>(db: impl Acquire<'a>) { + db.acquire().await; +} + +trait Handler { + type Future: Future; + fn call(self) -> Self::Future; +} + +impl<Fut, F> Handler for F +where + F: Fn() -> Fut, + Fut: Future, +{ + type Future = Fut; + fn call(self) -> Self::Future { + loop {} + } +} + +trait Acquire<'a> { + type Connection; + fn acquire(self) -> BoxFuture<Self::Connection>; +} +impl<'a> Acquire<'a> for &'a () { + type Connection = Self; + fn acquire(self) -> BoxFuture<Self> { + loop {} + } +} diff --git a/tests/ui/codegen/subtyping-enforces-type-equality.stderr b/tests/ui/codegen/subtyping-enforces-type-equality.stderr new file mode 100644 index 00000000000..870ca0f839f --- /dev/null +++ b/tests/ui/codegen/subtyping-enforces-type-equality.stderr @@ -0,0 +1 @@ +WARN rustc_codegen_ssa::mir::locals Unexpected initial operand type. See the issues/114858 diff --git a/tests/ui/implied-bounds/implied-bounds-unconstrained-1.rs b/tests/ui/implied-bounds/implied-bounds-unconstrained-1.rs new file mode 100644 index 00000000000..025e5176ff7 --- /dev/null +++ b/tests/ui/implied-bounds/implied-bounds-unconstrained-1.rs @@ -0,0 +1,28 @@ +// check-pass + +// Regression test for #112832. +pub trait QueryDb { + type Db; +} + +pub struct QueryTable<Q, DB> { + db: DB, + storage: Q, +} + +// We normalize `<Q as QueryDb>::Db` to `<Q as AsyncQueryFunction<'d>>::SendDb` +// using the where-bound. 'd is an unconstrained region variable which previously +// triggered an assert. +impl<Q> QueryTable<Q, <Q as QueryDb>::Db> where Q: for<'d> AsyncQueryFunction<'d> {} + +pub trait AsyncQueryFunction<'d>: QueryDb<Db = <Self as AsyncQueryFunction<'d>>::SendDb> { + type SendDb: 'd; +} + +pub trait QueryStorageOpsAsync<Q> +where + Q: for<'d> AsyncQueryFunction<'d>, +{ +} + +fn main() {} diff --git a/tests/ui/implied-bounds/implied-bounds-unconstrained-2.rs b/tests/ui/implied-bounds/implied-bounds-unconstrained-2.rs new file mode 100644 index 00000000000..976054facee --- /dev/null +++ b/tests/ui/implied-bounds/implied-bounds-unconstrained-2.rs @@ -0,0 +1,20 @@ +// check-pass + +// Another minimized regression test for #112832. +trait Trait { + type Assoc; +} + +trait Sub<'a>: Trait<Assoc = <Self as Sub<'a>>::SubAssoc> { + type SubAssoc; +} + +// By using the where-clause we normalize `<T as Trait>::Assoc` to +// `<T as Sub<'a>>::SubAssoc` where `'a` is an unconstrained region +// variable. +fn foo<T>(x: <T as Trait>::Assoc) +where + for<'a> T: Sub<'a>, +{} + +fn main() {} |