Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 16 insertions, 0 deletions

diff --git a/tests/ui/impl-trait/issue-87450.rs b/tests/ui/impl-trait/issue-87450.rs
new file mode 100644
index 000000000..983ef7cfb
--- /dev/null
+++ b/tests/ui/impl-trait/issue-87450.rs
@@ -0,0 +1,16 @@
+fn bar() -> impl Fn() {
+    wrap(wrap(wrap(wrap(foo()))))
+}
+
+fn foo() -> impl Fn() {
+    //~^ WARNING 5:1: 5:22: function cannot return without recursing [unconditional_recursion]
+    //~| ERROR 5:13: 5:22: cannot resolve opaque type [E0720]
+    wrap(wrap(wrap(wrap(wrap(wrap(wrap(foo())))))))
+}
+
+fn wrap(f: impl Fn()) -> impl Fn() {
+    move || f()
+}
+
+fn main() {
+}