Merge pull request rust-lang#3266 from wada314/fix-2973

Fix issue rust-lang#3265

Author: topecongiro

src/comment.rs

@@ -1321,6 +1321,11 @@ impl<'a> Iterator for LineClasses<'a> {
             }
         }
 
+        // Workaround for CRLF newline.
+        if line.ends_with('\r') {
+            line.pop();
+        }
+
         Some((self.kind, line))
     }
 }

tests/source/issue-3265.rs

@@ -0,0 +1,14 @@
+// rustfmt-newline_style: Windows
+#[cfg(test)]
+mod test {
+    summary_test! {
+        tokenize_recipe_interpolation_eol,
+    "foo: # some comment
+ {{hello}}
+",
+    "foo: \
+ {{hello}} \
+{{ahah}}",
+        "N:#$>^{N}$<.",
+      }
+}

tests/target/issue-3265.rs

@@ -0,0 +1,14 @@
+// rustfmt-newline_style: Windows
+#[cfg(test)]
+mod test {
+    summary_test! {
+        tokenize_recipe_interpolation_eol,
+    "foo: # some comment
+ {{hello}}
+",
+    "foo: \
+    {{hello}} \
+    {{ahah}}",
+        "N:#$>^{N}$<.",
+      }
+}