1 files changed, 19 insertions, 0 deletions

diff --git a/src/test/ui/issues/issue-34839.rs b/src/test/ui/issues/issue-34839.rs
new file mode 100644
index 000000000..8ffed827e
--- /dev/null
+++ b/src/test/ui/issues/issue-34839.rs
@@ -0,0 +1,19 @@
+// check-pass
+
+trait RegularExpression: Sized {
+    type Text;
+}
+
+struct ExecNoSyncStr<'a>(&'a u8);
+
+impl<'c> RegularExpression for ExecNoSyncStr<'c> {
+    type Text = u8;
+}
+
+struct FindCaptures<'t, R>(&'t R::Text) where R: RegularExpression, R::Text: 't;
+
+enum FindCapturesInner<'r, 't> {
+    Dynamic(FindCaptures<'t, ExecNoSyncStr<'r>>),
+}
+
+fn main() {}