From 45c2c9afa53fd5226b91f4571b63d9eb1e80af32 Mon Sep 17 00:00:00 2001
From: ritiek <ritiekmalhotra123@gmail.com>
Date: Thu, 4 Jan 2018 19:56:57 +0530
Subject: [PATCH] Clean output

---
 src/tools/compiletest/src/runtest.rs | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs
index aceb472ca631..8d651588c579 100644
--- a/src/tools/compiletest/src/runtest.rs
+++ b/src/tools/compiletest/src/runtest.rs
@@ -2708,15 +2708,16 @@ impl<'test> TestCx<'test> {
             return 0;
         }
 
-        println!("normalized {}:\n{}\n", kind, actual);
-        println!("expected {}:\n{}\n", kind, expected);
-        println!("diff of {}:\n", kind);
-
-        for diff in diff::lines(expected, actual) {
-            match diff {
-                diff::Result::Left(l) => println!("-{}", l),
-                diff::Result::Both(l, _) => println!(" {}", l),
-                diff::Result::Right(r) => println!("+{}", r),
+        if expected.is_empty() {
+            println!("normalized {}:\n{}\n", kind, actual);
+        } else {
+            println!("diff of {}:\n", kind);
+            for diff in diff::lines(expected, actual) {
+                match diff {
+                    diff::Result::Left(l) => println!("-{}", l),
+                    diff::Result::Right(r) => println!("+{}", r),
+                    _ => {},
+                }
             }
         }