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-rw-r--r--src/test/ui/issues/issue-47309.rs21
1 files changed, 21 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-47309.rs b/src/test/ui/issues/issue-47309.rs
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+++ b/src/test/ui/issues/issue-47309.rs
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+// Make sure that the mono-item collector does not crash when trying to
+// instantiate a default impl of a method with lifetime parameters.
+// See https://github.com/rust-lang/rust/issues/47309
+
+// compile-flags:-Clink-dead-code
+// build-pass
+
+#![crate_type="rlib"]
+
+pub trait EnvFuture {
+ type Item;
+
+ fn boxed_result<'a>(self) where Self: Sized, Self::Item: 'a, {
+ }
+}
+
+struct Foo;
+
+impl<'a> EnvFuture for &'a Foo {
+ type Item = ();
+}