From 64d98f8ee037282c35007b64c2649055c56af1db Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:19:03 +0200
Subject: Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tests/ui/impl-trait/issue-49685.rs | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 tests/ui/impl-trait/issue-49685.rs

(limited to 'tests/ui/impl-trait/issue-49685.rs')

diff --git a/tests/ui/impl-trait/issue-49685.rs b/tests/ui/impl-trait/issue-49685.rs
new file mode 100644
index 000000000..fb328d67b
--- /dev/null
+++ b/tests/ui/impl-trait/issue-49685.rs
@@ -0,0 +1,13 @@
+// run-pass
+// Regression test for #49685: drop elaboration was not revealing the
+// value of `impl Trait` returns, leading to an ICE.
+
+fn main() {
+    let _ = Some(())
+        .into_iter()
+        .flat_map(|_| Some(()).into_iter().flat_map(func));
+}
+
+fn func(_: ()) -> impl Iterator<Item = ()> {
+    Some(()).into_iter().flat_map(|_| vec![])
+}
-- 
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