[v3] Minor <atomic> tweaks

[Paolo Carlini]

Hi,

tested x86_64-linux.

Thanks,
Paolo.

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2014-10-24  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/bits/atomic_base.h: Avoid including <stdbool.h>.
	* include/std/atomic: When __cplusplus < 201103L skip the rest of
	the header.
	* testsuite/29_atomics/headers/atomic/std_c++0x_neg.cc: Adjust.
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Index: include/bits/atomic_base.h
===================================================================
--- include/bits/atomic_base.h	(revision 216624)
+++ include/bits/atomic_base.h	(working copy)
@@ -33,7 +33,6 @@
 #pragma GCC system_header
 
 #include <bits/c++config.h>
-#include <stdbool.h>
 #include <stdint.h>
 #include <bits/atomic_lockfree_defines.h>
 
Index: include/std/atomic
===================================================================
--- include/std/atomic	(revision 216624)
+++ include/std/atomic	(working copy)
@@ -36,7 +36,7 @@
 
 #if __cplusplus < 201103L
 # include <bits/c++0x_warning.h>
-#endif
+#else
 
 #include <bits/atomic_base.h>
 
@@ -1129,4 +1129,6 @@
 _GLIBCXX_END_NAMESPACE_VERSION
 } // namespace
 
-#endif
+#endif // C++11
+
+#endif // _GLIBCXX_ATOMIC
Index: testsuite/29_atomics/headers/atomic/std_c++0x_neg.cc
===================================================================
--- testsuite/29_atomics/headers/atomic/std_c++0x_neg.cc	(revision 216624)
+++ testsuite/29_atomics/headers/atomic/std_c++0x_neg.cc	(working copy)
@@ -18,7 +18,7 @@
 // with this library; see the file COPYING3.  If not see
 // <http://www.gnu.org/licenses/>.
 
-#include <atomic>  // { dg-excess-errors "In file included from" }
+#include <atomic>
 
 // { dg-error "ISO C.. 2011" "" { target *-*-* } 32 }