diff -r 8ee4ed577c03 Lib/test/test_gdb.py
--- a/Lib/test/test_gdb.py	Mon Sep 05 18:16:01 2016 -0700
+++ b/Lib/test/test_gdb.py	Tue Sep 06 15:00:52 2016 +0800
@@ -24,6 +24,7 @@
     try:
         proc = subprocess.Popen(["gdb", "-nx", "--version"],
                                 stdout=subprocess.PIPE,
+                                stderr=subprocess.PIPE,
                                 universal_newlines=True)
         with proc:
             version = proc.communicate()[0]