diff --git a/buddy/ChangeLog b/buddy/ChangeLog
index 8cca2b739..eacb95c01 100644
--- a/buddy/ChangeLog
+++ b/buddy/ChangeLog
@@ -1,3 +1,8 @@
+2011-08-28  Alexandre Duret-Lutz  <adl@lrde.epita.fr>
+
+	* examples/adder/adder.cxx (test_vector): Add parentheses to
+	remove a clang++-2.9 warning.
+
 2011-08-27  Alexandre Duret-Lutz  <adl@lrde.epita.fr>
 
 	* src/bddop.c (bdd_support): Speedup using a cache.
diff --git a/buddy/examples/adder/adder.cxx b/buddy/examples/adder/adder.cxx
index 771214ef2..1ce547300 100644
--- a/buddy/examples/adder/adder.cxx
+++ b/buddy/examples/adder/adder.cxx
@@ -35,7 +35,7 @@ void build_adder(void)
 	 xout[n] = ainp[n] ^ binp[n] ^ co[n-1];
 	 co[n] = ainp[n] & binp[n] |
                  ainp[n] & co[n-1] |
-	         binp[n] & co[n-1];
+		 binp[n] & co[n-1];
       }
       else
       {
@@ -181,7 +181,8 @@ int test_vector(bdd av, bdd bv, int a, int b)
    {
       bdd resv = av & bv & xout[n];
 
-      if (resv == bddfalse && (res & 1) || resv != bddfalse && !(res & 1))
+      if ((resv == bddfalse && (res & 1))
+	  || (resv != bddfalse && !(res & 1)))
 	 return 0;
 
       res = res >> 1;