Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 36 insertions, 0 deletions

diff --git a/tests/ui/nll/issue-98589-closures-relate-named-regions.rs b/tests/ui/nll/issue-98589-closures-relate-named-regions.rs
new file mode 100644
index 000000000..6cc4340bb
--- /dev/null
+++ b/tests/ui/nll/issue-98589-closures-relate-named-regions.rs
@@ -0,0 +1,36 @@
+// Regression test for #98589.
+// Previously, named lifetime `'a` that appears in the closure was unrelated to `'a`
+// that appears in the parent function iff `'a` is early-bound.
+// This made the following tests pass borrowck.
+
+// check-fail
+
+// The bound `'a: 'a` ensures that `'a` is early-bound.
+fn test_early_early<'a: 'a, 'b: 'b>() {
+    || { None::<&'a &'b ()>; };
+    //~^ ERROR lifetime may not live long enough
+}
+
+fn test_early_late<'a: 'a, 'b>() {
+    || { None::<&'a &'b ()>; };
+    //~^ ERROR lifetime may not live long enough
+}
+
+// No early-bound lifetime; included for completeness.
+fn test_late_late<'a, 'b>() {
+    || { None::<&'a &'b ()>; };
+    //~^ ERROR lifetime may not live long enough
+}
+
+fn test_early_type<'a: 'a, T>() {
+    || { None::<&'a T>; };
+    //~^ ERROR the parameter type `T` may not live long enough
+}
+
+// No early-bound lifetime; included for completeness.
+fn test_late_type<'a, T>() {
+    || { None::<&'a T>; };
+    //~^ ERROR the parameter type `T` may not live long enough
+}
+
+fn main() {}