c-cppbuiltin.c: Move __cpp_attribute_deprecated to the C++11 section.

gcc/c-family:

2014-10-06  Edward Smith-Rowland  <3dw4rd@verizon.net>

	* c-family/c-cppbuiltin.c: Move __cpp_attribute_deprecated to the
	C++11 section.


gcc/cp:

2014-10-06  Edward Smith-Rowland  <3dw4rd@verizon.net>

	* cp/parser.c: Allow [[deprecated]] for C++11.  Issue a pedwarn.


gcc/testsuite:

2014-10-06  Edward Smith-Rowland  <3dw4rd@verizon.net>

	* g++.dg/cpp1y/attr-deprecated-neg.C: Attribute no longer ignored.
	* g++.dg/cpp1y/feat-cxx11-neg.C: Comment out __cpp_attribute_deprecated test.
	* g++.dg/cpp1y/feat-cxx11.C: Add __cpp_attribute_deprecated test.

From-SVN: r215957