1 files changed, 58 insertions, 0 deletions
diff --git a/tests/ui/parser/brace-in-let-chain.rs b/tests/ui/parser/brace-in-let-chain.rs
new file mode 100644
index 000000000..1f34c73a2
--- /dev/null
+++ b/tests/ui/parser/brace-in-let-chain.rs
@@ -0,0 +1,58 @@
+// issue #117766
+
+#![feature(let_chains)]
+fn main() {
+    if let () = ()
+        && let () = () { //~ERROR: found a `{` in the middle of a let-chain
+        && let () = ()
+    {
+    }
+}
+
+fn quux() {
+    while let () = ()
+        && let () = () { //~ERROR: found a `{` in the middle of a let-chain
+        && let () = ()
+    {
+    }
+}
+
+fn foobar() {
+    while false {}
+    {
+        && let () = ()
+}
+
+fn fubar() {
+    while false {
+        {
+            && let () = ()
+    }
+}
+
+fn qux() {
+    let foo = false;
+    match foo {
+        _ if foo => {
+            && let () = ()
+        _ => {}
+    }
+}
+
+fn foo() {
+    {
+    && let () = ()
+}
+
+fn bar() {
+    if false {}
+    {
+        && let () = ()
+}
+
+fn baz() {
+    if false {
+        {
+            && let () = ()
+    }
+} //~ERROR: this file contains an unclosed delimiter