/c-family
2013-04-24  Paolo Carlini  <paolo.carlini@oracle.com>

	* c-cppbuiltin.c (c_cpp_builtins): Define __GXX_EXPERIMENTAL_CXX1Y__.

/doc
2013-04-24  Paolo Carlini  <paolo.carlini@oracle.com>

	* cpp.texi: Document __GXX_EXPERIMENTAL_CXX1Y__.

/testsuite
2013-04-24  Paolo Carlini  <paolo.carlini@oracle.com>

	* g++.dg/cpp1y/cxx1y_macro.C: New.