lit: flush stdout in no-fancy-progress-bar mode as well.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@79056 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/test/MultiTestRunner.py b/utils/test/MultiTestRunner.py
index a48ba61..c94f114 100755
--- a/utils/test/MultiTestRunner.py
+++ b/utils/test/MultiTestRunner.py
@@ -106,6 +106,8 @@
             print tr.output
             print "*" * 20
 
+        sys.stdout.flush()
+
 class TestResult:
     def __init__(self, path, code, output, elapsed):
         self.path = path