1 files changed, 21 insertions, 0 deletions
diff --git a/tests/ui/nll/issue-98693.rs b/tests/ui/nll/issue-98693.rs
new file mode 100644
index 000000000..7a325e2e9
--- /dev/null
+++ b/tests/ui/nll/issue-98693.rs
@@ -0,0 +1,21 @@
+// Regression test for #98693.
+//
+// The closure encounters an obligation that `T` must outlive `!U1`,
+// a placeholder from universe U1. We were ignoring this placeholder
+// when promoting the constraint to the enclosing function, and
+// thus incorrectly judging the closure to be safe.
+
+fn assert_static<T>()
+where
+    for<'a> T: 'a,
+{
+}
+
+fn test<T>() {
+    || {
+        assert_static::<T>();
+        //~^ ERROR the parameter type `T` may not live long enough
+    };
+}
+
+fn main() {}