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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/impl-trait/auto-trait-leak.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/test/ui/impl-trait/auto-trait-leak.rs | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/test/ui/impl-trait/auto-trait-leak.rs b/src/test/ui/impl-trait/auto-trait-leak.rs new file mode 100644 index 000000000..c2fbbf94f --- /dev/null +++ b/src/test/ui/impl-trait/auto-trait-leak.rs @@ -0,0 +1,23 @@ +use std::cell::Cell; +use std::rc::Rc; + +fn send<T: Send>(_: T) {} + +fn main() { +} + +// Cycles should work as the deferred obligations are +// independently resolved and only require the concrete +// return type, which can't depend on the obligation. +fn cycle1() -> impl Clone { + //~^ ERROR cycle detected + send(cycle2().clone()); + + Rc::new(Cell::new(5)) +} + +fn cycle2() -> impl Clone { + send(cycle1().clone()); + + Rc::new(String::from("foo")) +} |