c.opt: Change -std=c++1y and -std=gnu++1y to be aliases for -std=c++14 and -std=gnu++14...

	* c.opt: Change -std=c++1y and -std=gnu++1y to be aliases for
	-std=c++14 and -std=gnu++14, rather than the reverse.
	* c-opts.c (c_common_handle_option): Change OPT_std_c__1y and
	OPT_std_gnu__1y to OPT_std_c__14 and OPT_std_gnu__14.
	* c-common.h (cxx_dialect): Remove cxx1y.

From-SVN: r214414

gcc/c-family/ChangeLog

+2014-08-25  Jason Merrill  <jason@redhat.com>
+
+	* c.opt: Change -std=c++1y and -std=gnu++1y to be aliases for
+	-std=c++14 and -std=gnu++14, rather than the reverse.
+	* c-opts.c (c_common_handle_option): Change OPT_std_c__1y and
+	OPT_std_gnu__1y to OPT_std_c__14 and OPT_std_gnu__14.
+	* c-common.h (cxx_dialect): Remove cxx1y.
+
 2014-08-23  Edward Smith-Rowland  <3dw4rd@verizon.net>
 
 	* c-common.h (enum cxx_dialect): Add cxx14.

gcc/c-family/c-common.h

@@ -640,9 +640,8 @@ enum cxx_dialect {
   /* C++11  */
   cxx0x,
   cxx11 = cxx0x,
-  /* C++14  */
-  cxx1y,
-  cxx14 = cxx1y,
+  /* C++14 */
+  cxx14,
   /* C++1z (C++17?) */
   cxx1z
 };

gcc/c-family/c-opts.c

@@ -698,12 +698,12 @@ c_common_handle_option (size_t scode, const char *arg, int value,
 	}
       break;
 
-    case OPT_std_c__1y:
-    case OPT_std_gnu__1y:
+    case OPT_std_c__14:
+    case OPT_std_gnu__14:
       if (!preprocessing_asm_p)
 	{
-	  set_std_cxx14 (code == OPT_std_c__1y /* ISO */);
-	  if (code == OPT_std_c__1y)
+	  set_std_cxx14 (code == OPT_std_c__14 /* ISO */);
+	  if (code == OPT_std_c__14)
 	    cpp_opts->ext_numeric_literals = 0;
 	}
       break;
@@ -1587,7 +1587,7 @@ set_std_cxx11 (int iso)
   cxx_dialect = cxx11;
 }
 
-/* Set the C++ 201y draft standard (without GNU extensions if ISO).  */
+/* Set the C++ 2014 draft standard (without GNU extensions if ISO).  */
 static void
 set_std_cxx14 (int iso)
 {

gcc/c-family/c.opt

@@ -1440,11 +1440,12 @@ C++ ObjC++ Alias(std=c++11) Undocumented
 Deprecated in favor of -std=c++11
 
 std=c++1y
-C++ ObjC++
-Conform to the ISO 2014(?) C++ draft standard (experimental and incomplete support)
+C++ ObjC++ Alias(std=c++14) Undocumented
+Deprecated in favor of -std=c++14
 
 std=c++14
-C++ ObjC++ Alias(std=c++1y) Undocumented
+C++ ObjC++ Undocumented
+Conform to the ISO 2014 C++ standard (experimental and incomplete support)
 
 std=c++1z
 C++ ObjC++
@@ -1496,11 +1497,11 @@ C++ ObjC++ Alias(std=gnu++11)
 Deprecated in favor of -std=gnu++11
 
 std=gnu++1y
-C++ ObjC++
-Conform to the ISO 201y(4?) C++ draft standard with GNU extensions (experimental and incomplete support)
+C++ ObjC++ Alias(std=gnu++14) Undocumented
 
 std=gnu++14
-C++ ObjC++ Alias(std=gnu++1y) Undocumented
+C++ ObjC++
+Conform to the ISO 2014 C++ standard with GNU extensions (experimental and incomplete support)
 
 std=gnu++1z
 C++ ObjC++

gcc/dwarf2out.c

@@ -248,10 +248,10 @@ static GTY(()) bool cold_text_section_used = false;
 /* The default cold text section.  */
 static GTY(()) section *cold_text_section;
 
-/* The DIE for C++1y 'auto' in a function return type.  */
+/* The DIE for C++14 'auto' in a function return type.  */
 static GTY(()) dw_die_ref auto_die;
 
-/* The DIE for C++1y 'decltype(auto)' in a function return type.  */
+/* The DIE for C++14 'decltype(auto)' in a function return type.  */
 static GTY(()) dw_die_ref decltype_auto_die;
 
 /* Forward declarations for functions defined in this file.  */