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-rw-r--r--src/test/ui/impl-trait/unactionable_diagnostic.rs25
1 files changed, 25 insertions, 0 deletions
diff --git a/src/test/ui/impl-trait/unactionable_diagnostic.rs b/src/test/ui/impl-trait/unactionable_diagnostic.rs
new file mode 100644
index 000000000..bce35cbdd
--- /dev/null
+++ b/src/test/ui/impl-trait/unactionable_diagnostic.rs
@@ -0,0 +1,25 @@
+// run-rustfix
+
+pub trait Trait {}
+
+pub struct Foo;
+
+impl Trait for Foo {}
+
+fn foo<'x, P>(
+ _post: P,
+ x: &'x Foo,
+) -> &'x impl Trait {
+ x
+}
+
+pub fn bar<'t, T>(
+ //~^ HELP: consider adding an explicit lifetime bound...
+ post: T,
+ x: &'t Foo,
+) -> &'t impl Trait {
+ foo(post, x)
+ //~^ ERROR: the parameter type `T` may not live long enough
+}
+
+fn main() {}