cpplib.h (enum c_lang): Add CLK_GNUCXX1Y and CLK_CXX1Y.

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

	* include/cpplib.h (enum c_lang): Add CLK_GNUCXX1Y and CLK_CXX1Y.
	* init.c (lang_defaults): Add defaults for the latter.
	(cpp_init_builtins): Define __cplusplus as 201300L for the latter.
	* lex.c (_cpp_lex_direct): Update.

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

	* c-opts.c (set_std_cxx11): Use CLK_CXX1Y and CLK_GNUCXX1Y.

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

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

From-SVN: r198261
diff --git a/libcpp/include/cpplib.h b/libcpp/include/cpplib.h
index a48ac87..3084a11 100644
--- a/libcpp/include/cpplib.h
+++ b/libcpp/include/cpplib.h
@@ -165,7 +165,8 @@
 /* C language kind, used when calling cpp_create_reader.  */
 enum c_lang {CLK_GNUC89 = 0, CLK_GNUC99, CLK_GNUC11,
 	     CLK_STDC89, CLK_STDC94, CLK_STDC99, CLK_STDC11,
-	     CLK_GNUCXX, CLK_CXX98, CLK_GNUCXX11, CLK_CXX11, CLK_ASM};
+	     CLK_GNUCXX, CLK_CXX98, CLK_GNUCXX11, CLK_CXX11,
+	     CLK_GNUCXX1Y, CLK_CXX1Y, CLK_ASM};
 
 /* Payload of a NUMBER, STRING, CHAR or COMMENT token.  */
 struct GTY(()) cpp_string {