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-rw-r--r--tests/ui/higher-rank-trait-bounds/issue-59311.rs22
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diff --git a/tests/ui/higher-rank-trait-bounds/issue-59311.rs b/tests/ui/higher-rank-trait-bounds/issue-59311.rs
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+++ b/tests/ui/higher-rank-trait-bounds/issue-59311.rs
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+// Regression test for #59311. The test is taken from
+// rust-lang/rust/issues/71546#issuecomment-620638437
+// as they seem to have the same cause.
+
+// FIXME: It's not clear that this code ought to report
+// an error, but the regression test is here to ensure
+// that it does not ICE. See discussion on #74889 for details.
+
+pub trait T {
+ fn t<F: Fn()>(&self, _: F) {}
+}
+
+pub fn crash<V>(v: &V)
+where
+ for<'a> &'a V: T + 'static,
+{
+ v.t(|| {});
+ //~^ ERROR: higher-ranked lifetime error
+ //~| ERROR: higher-ranked lifetime error
+}
+
+fn main() {}