1 files changed, 4 insertions, 1 deletions
diff --git a/nptl/tst-cond20.c b/nptl/tst-cond20.c
index 918c4adb51..665a66a92e 100644
--- a/nptl/tst-cond20.c
+++ b/nptl/tst-cond20.c
@@ -96,7 +96,10 @@ do_test (void)
 
   for (i = 0; i < ROUNDS; ++i)
     {
-      pthread_cond_wait (&cond2, &mut);
+      /* Make sure we discard spurious wake-ups.  */
+      do
+	pthread_cond_wait (&cond2, &mut);
+      while (count != N);
 
       if (i & 1)
         pthread_mutex_unlock (&mut);