1 files changed, 23 insertions, 0 deletions
diff --git a/src/tools/rustfmt/tests/target/issue-5023.rs b/src/tools/rustfmt/tests/target/issue-5023.rs
new file mode 100644
index 000000000..4e84c7d98
--- /dev/null
+++ b/src/tools/rustfmt/tests/target/issue-5023.rs
@@ -0,0 +1,23 @@
+// rustfmt-wrap_comments: true
+
+/// A comment to test special unicode characters on boundaries
+/// 是，是，是，是，是，是，是，是，是，是，是，是  it should break right here
+/// this goes to the next line
+fn main() {
+    if xxx {
+        let xxx = xxx
+            .into_iter()
+            .filter(|(xxx, xxx)| {
+                if let Some(x) = Some(1) {
+                    // xxxxxxxxxxxxxxxxxx, xxxxxxxxxxxx, xxxxxxxxxxxxxxxxxxxx xxx xxxxxxx, xxxxx xxx
+                    // xxxxxxxxxx. xxxxxxxxxxxxxxxx，xxxxxxxxxxxxxxxxx xxx xxxxxxx
+                    // 是sdfadsdfxxxxxxxxx，sdfaxxxxxx_xxxxx_masdfaonxxx，
+                    if false {
+                        return true;
+                    }
+                }
+                false
+            })
+            .collect();
+    }
+}