1 files changed, 8 insertions, 0 deletions

diff --git a/tests/ui/issues/issue-34334.rs b/tests/ui/issues/issue-34334.rs
new file mode 100644
index 00000000000..51486bc40de
--- /dev/null
+++ b/tests/ui/issues/issue-34334.rs
@@ -0,0 +1,8 @@
+fn main () {
+    let sr: Vec<(u32, _, _) = vec![];
+    //~^ ERROR expected one of
+
+    let sr2: Vec<(u32, _, _)> = sr.iter().map(|(faction, th_sender, th_receiver)| {}).collect();
+    //~^ ERROR a value of type `Vec<(u32, _, _)>` cannot be built
+
+}