From 233497aceb3542aaa40fd8011bb8e5339f5ed60f Mon Sep 17 00:00:00 2001
From: rChaser53 <tayoshizawa29@gmail.com>
Date: Thu, 24 Oct 2019 22:16:56 +0900
Subject: [PATCH] fix Unparsable code when formmating (#3883)

---
 src/items.rs               | 10 ++++++++--
 tests/target/issue-3882.rs |  4 ++++
 2 files changed, 12 insertions(+), 2 deletions(-)
 create mode 100644 tests/target/issue-3882.rs

diff --git a/src/items.rs b/src/items.rs
index 401cf78d721..64ed2d9294c 100644
--- a/src/items.rs
+++ b/src/items.rs
@@ -2218,10 +2218,16 @@ fn rewrite_fn_base(
             .map_or(false, |last_line| last_line.contains("//"));
 
         if context.config.version() == Version::Two {
-            result.push(')');
-            if closing_paren_overflow_max_width || params_last_line_contains_comment {
+            if closing_paren_overflow_max_width {
+                result.push(')');
                 result.push_str(&indent.to_string_with_newline(context.config));
                 no_params_and_over_max_width = true;
+            } else if params_last_line_contains_comment {
+                result.push_str(&indent.to_string_with_newline(context.config));
+                result.push(')');
+                no_params_and_over_max_width = true;
+            } else {
+                result.push(')');
             }
         } else {
             if closing_paren_overflow_max_width || params_last_line_contains_comment {
diff --git a/tests/target/issue-3882.rs b/tests/target/issue-3882.rs
new file mode 100644
index 00000000000..5eb442af974
--- /dev/null
+++ b/tests/target/issue-3882.rs
@@ -0,0 +1,4 @@
+// rustfmt-version: Two
+fn bar(_t: T, // bar
+) {
+}