macros.cc: Avoid -Wall warnings.

2011-11-08  Paolo Carlini  <paolo.carlini@oracle.com>

	* testsuite/29_atomics/headers/atomic/macros.cc: Avoid -Wall
	warnings.
	* testsuite/29_atomics/atomic/cons/user_pod.cc: Likewise.

From-SVN: r181159

libstdc++-v3/ChangeLog

+2011-11-08  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	* testsuite/29_atomics/headers/atomic/macros.cc: Avoid -Wall
+	warnings.
+	* testsuite/29_atomics/atomic/cons/user_pod.cc: Likewise.
+
 2011-11-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
 
 	PR libstdc++/51018

libstdc++-v3/testsuite/29_atomics/atomic/cons/user_pod.cc

@@ -29,7 +29,7 @@ struct dwordp
 void atomics()
 {
   std::atomic<dwordp> a;
-  bool b = a.is_lock_free();
+  bool b __attribute__((unused)) = a.is_lock_free();
 }
 
 int main()

libstdc++-v3/testsuite/29_atomics/headers/atomic/macros.cc

@@ -63,7 +63,7 @@
 
 extern void abort(void);
 
-main ()
+int main ()
 {
  if (ATOMIC_CHAR_LOCK_FREE != 0 && ATOMIC_CHAR_LOCK_FREE != 1
      && ATOMIC_CHAR_LOCK_FREE != 2)