re PR c++/50920 (add a -std=c++11 option to the driver)

PR c++/50920
gcc/c-family
	* c-common.h (cxx_dialect): Add cxx11 and cxx03.
	* c.opt: Add -std=c++11, -std=gnu++11, -std=gnu++03,
	and -Wc++11-compat.
	* c-opts.c (set_std_cxx11): Rename from set_std_cxx0x.
gcc/cp
	* class.c (check_field_decl): Change c++0x in diags to c++11.
	* error.c (maybe_warn_cpp0x): Likewise.
	* parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
	* pt.c (check_default_tmpl_args): Likewise.
libcpp
	* include/cpplib.h (enum c_lang): Rename CLK_CXX0X to CLK_CXX11,
	CLK_GNUCXX0X to CLK_GNUCXX11.
libstdc++-v3
	* include/bits/c++0x_warning.h: Change -std=c++0x to -std=c++11.

From-SVN: r180707

gcc/c-family/ChangeLog

@@ -1,3 +1,11 @@
+2011-10-31  Jason Merrill  <jason@redhat.com>
+
+	PR c++/50920
+	* c-common.h (cxx_dialect): Add cxx11 and cxx03.
+	* c.opt: Add -std=c++11, -std=gnu++11, -std=gnu++03,
+	and -Wc++11-compat.
+	* c-opts.c (set_std_cxx11): Rename from set_std_cxx0x.
+
 2011-10-27  Roberto Agostino Vitillo  <ravitillo@lbl.gov>
 
 	PR c++/30066

gcc/c-family/c-common.h

@@ -643,11 +643,12 @@ extern int flag_use_repository;
 /* The supported C++ dialects.  */
 
 enum cxx_dialect {
-  /* C++98  */
+  /* C++98 with TC1  */
   cxx98,
-  /* Experimental features that are likely to become part of
+  cxx03 = cxx98,
-     C++0x.  */
+  /* C++11  */
-  cxx0x
+  cxx0x,
+  cxx11 = cxx0x
 };
 
 /* The C++ dialect being used. C++98 is the default.  */

gcc/c-family/c-opts.c

@@ -110,7 +110,7 @@ static size_t include_cursor;
 
 static void handle_OPT_d (const char *);
 static void set_std_cxx98 (int);
-static void set_std_cxx0x (int);
+static void set_std_cxx11 (int);
 static void set_std_c89 (int, int);
 static void set_std_c99 (int);
 static void set_std_c1x (int);
@@ -775,10 +775,10 @@ c_common_handle_option (size_t scode, const char *arg, int value,
 	set_std_cxx98 (code == OPT_std_c__98 /* ISO */);
       break;
 
-    case OPT_std_c__0x:
+    case OPT_std_c__11:
-    case OPT_std_gnu__0x:
+    case OPT_std_gnu__11:
       if (!preprocessing_asm_p)
-	set_std_cxx0x (code == OPT_std_c__0x /* ISO */);
+	set_std_cxx11 (code == OPT_std_c__11 /* ISO */);
       break;
 
     case OPT_std_c90:
@@ -1501,18 +1501,18 @@ set_std_cxx98 (int iso)
   cxx_dialect = cxx98;
 }
 
-/* Set the C++ 0x working draft "standard" (without GNU extensions if ISO).  */
+/* Set the C++ 2011 standard (without GNU extensions if ISO).  */
 static void
-set_std_cxx0x (int iso)
+set_std_cxx11 (int iso)
 {
-  cpp_set_lang (parse_in, iso ? CLK_CXX0X: CLK_GNUCXX0X);
+  cpp_set_lang (parse_in, iso ? CLK_CXX11: CLK_GNUCXX11);
   flag_no_gnu_keywords = iso;
   flag_no_nonansi_builtin = iso;
   flag_iso = iso;
-  /* C++0x includes the C99 standard library.  */
+  /* C++11 includes the C99 standard library.  */
   flag_isoc94 = 1;
   flag_isoc99 = 1;
-  cxx_dialect = cxx0x;
+  cxx_dialect = cxx11;
 }
 
 /* Args to -d specify what to dump.  Silently ignore

gcc/c-family/c.opt

@@ -289,7 +289,11 @@ Warn about C constructs that are not in the common subset of C and C++
 
 Wc++0x-compat
 C++ ObjC++ Var(warn_cxx0x_compat) Warning
-Warn about C++ constructs whose meaning differs between ISO C++ 1998 and ISO C++ 200x
+Deprecated in favor of -Wc++11-compat
+
+Wc++11-compat
+C++ ObjC++ Warning Alias(Wc++0x-compat)
+Warn about C++ constructs whose meaning differs between ISO C++ 1998 and ISO C++ 2011
 
 Wcast-qual
 C ObjC C++ ObjC++ Var(warn_cast_qual) Warning
@@ -1175,12 +1179,13 @@ std=c++03
 C++ ObjC++ Alias(std=c++98)
 Conform to the ISO 1998 C++ standard revised by the 2003 technical corrigendum
 
-std=c++0x
+std=c++11
 C++ ObjC++
-Conform to the ISO 1998 C++ standard, with extensions that are likely to
+Conform to the ISO 2011 C++ standard (experimental and incomplete support)
-become a part of the upcoming ISO C++ standard, dubbed C++0x. Note that the
+
-extensions enabled by this mode are experimental and may be removed in
+std=c++0x
-future releases of GCC.
+C++ ObjC++ Alias(std=c++11)
+Deprecated in favor of -std=c++11
 
 std=c1x
 C ObjC
@@ -1204,14 +1209,21 @@ Deprecated in favor of -std=c99
 
 std=gnu++98
 C++ ObjC++
-Conform to the ISO 1998 C++ standard with GNU extensions
+Conform to the ISO 1998 C++ standard revised by the 2003 technical
+corrigendum with GNU extensions
+
+std=gnu++03
+C++ ObjC++ Alias(std=gnu++98)
+Conform to the ISO 1998 C++ standard revised by the 2003 technical
+corrigendum with GNU extensions
+
+std=gnu++11
+C++ ObjC++
+Conform to the ISO 2011 C++ standard with GNU extensions (experimental and incomplete support)
 
 std=gnu++0x
-C++ ObjC++
+C++ ObjC++ Alias(std=gnu++11)
-Conform to the ISO 1998 C++ standard, with GNU extensions and
+Deprecated in favor of -std=gnu++11
-extensions that are likely to become a part of the upcoming ISO C++
-standard, dubbed C++0x. Note that the extensions enabled by this mode
-are experimental and may be removed in future releases of GCC.
 
 std=gnu1x
 C ObjC

gcc/cp/ChangeLog

@@ -1,3 +1,11 @@
+2011-10-31  Jason Merrill  <jason@redhat.com>
+
+	PR c++/50920
+	* class.c (check_field_decl): Change c++0x in diags to c++11.
+	* error.c (maybe_warn_cpp0x): Likewise.
+	* parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
+	* pt.c (check_default_tmpl_args): Likewise.
+
 2011-10-31   Diego Novillo  <dnovillo@google.com>
 
 	* mangle.c (get_mangled_id): Factor from ...

gcc/cp/class.c

@@ -2924,7 +2924,7 @@ check_field_decl (tree field,
 	  if (!warned && errorcount > oldcount)
 	    {
 	      inform (DECL_SOURCE_LOCATION (field), "unrestricted unions "
-		      "only available with -std=c++0x or -std=gnu++0x");
+		      "only available with -std=c++11 or -std=gnu++11");
 	      warned = true;
 	    }
 	}

gcc/cp/error.c

@@ -3205,55 +3205,55 @@ maybe_warn_cpp0x (cpp0x_warn_str str)
       case CPP0X_INITIALIZER_LISTS:
 	pedwarn (input_location, 0, 
 		 "extended initializer lists "
-		 "only available with -std=c++0x or -std=gnu++0x");
+		 "only available with -std=c++11 or -std=gnu++11");
 	break;
       case CPP0X_EXPLICIT_CONVERSION:
 	pedwarn (input_location, 0,
 		 "explicit conversion operators "
-		 "only available with -std=c++0x or -std=gnu++0x"); 
+		 "only available with -std=c++11 or -std=gnu++11");
 	break;
       case CPP0X_VARIADIC_TEMPLATES:
 	pedwarn (input_location, 0,
 		 "variadic templates "
-		 "only available with -std=c++0x or -std=gnu++0x");
+		 "only available with -std=c++11 or -std=gnu++11");
 	break;
       case CPP0X_LAMBDA_EXPR:
 	pedwarn (input_location, 0,
 		 "lambda expressions "
-		  "only available with -std=c++0x or -std=gnu++0x");
+		  "only available with -std=c++11 or -std=gnu++11");
 	break;
       case CPP0X_AUTO:
 	pedwarn (input_location, 0,
-		 "C++0x auto only available with -std=c++0x or -std=gnu++0x");
+		 "C++0x auto only available with -std=c++11 or -std=gnu++11");
 	break;
       case CPP0X_SCOPED_ENUMS:
 	pedwarn (input_location, 0,
-		 "scoped enums only available with -std=c++0x or -std=gnu++0x");
+		 "scoped enums only available with -std=c++11 or -std=gnu++11");
 	break;
       case CPP0X_DEFAULTED_DELETED:
 	pedwarn (input_location, 0,
 		 "defaulted and deleted functions "
-		 "only available with -std=c++0x or -std=gnu++0x");
+		 "only available with -std=c++11 or -std=gnu++11");
 	break;
       case CPP0X_INLINE_NAMESPACES:
 	pedwarn (input_location, OPT_pedantic,
 		 "inline namespaces "
-		 "only available with -std=c++0x or -std=gnu++0x");
+		 "only available with -std=c++11 or -std=gnu++11");
 	break;
       case CPP0X_OVERRIDE_CONTROLS:
 	pedwarn (input_location, 0,
 		 "override controls (override/final) "
-		 "only available with -std=c++0x or -std=gnu++0x");
+		 "only available with -std=c++11 or -std=gnu++11");
         break;
       case CPP0X_NSDMI:
 	pedwarn (input_location, 0,
 		 "non-static data member initializers "
-		 "only available with -std=c++0x or -std=gnu++0x");
+		 "only available with -std=c++11 or -std=gnu++11");
         break;
       case CPP0X_USER_DEFINED_LITERALS:
 	pedwarn (input_location, 0,
 		 "user-defined literals "
-		 "only available with -std=c++0x or -std=gnu++0x");
+		 "only available with -std=c++11 or -std=gnu++11");
 	break;
       default:
 	gcc_unreachable ();

gcc/cp/parser.c

@@ -2759,8 +2759,8 @@ cp_parser_diagnose_invalid_type_name (cp_parser *parser,
 
 	 The user should have said "typename A<T>::X".  */
       if (cxx_dialect < cxx0x && id == ridpointers[(int)RID_CONSTEXPR])
-	inform (location, "C++0x %<constexpr%> only available with "
+	inform (location, "C++11 %<constexpr%> only available with "
-		"-std=c++0x or -std=gnu++0x");
+		"-std=c++11 or -std=gnu++11");
       else if (processing_template_decl && current_class_type
 	       && TYPE_BINFO (current_class_type))
 	{

gcc/cp/pt.c

@@ -4650,7 +4650,7 @@ check_default_tmpl_args (tree decl, tree parms, int is_primary,
 	     "friend declarations");
   else if (TREE_CODE (decl) == FUNCTION_DECL && (cxx_dialect == cxx98))
     msg = G_("default template arguments may not be used in function templates "
-	     "without -std=c++0x or -std=gnu++0x");
+	     "without -std=c++11 or -std=gnu++11");
   else if (is_partial)
     msg = G_("default template arguments may not be used in "
 	     "partial specializations");

gcc/testsuite/g++.dg/cpp0x/constexpr-98.C

@@ -1,4 +1,4 @@
 // { dg-options "-std=c++98" }
 
-constexpr int i = 42;	  // { dg-message "std=c\\+\\+0x" }
+constexpr int i = 42;	  // { dg-message "std=c\\+\\+11" }
 // { dg-error "constexpr" "" { target *-*-* } 3 }

libcpp/ChangeLog

@@ -1,3 +1,9 @@
+2011-10-31  Jason Merrill  <jason@redhat.com>
+
+	PR c++/50920
+	* include/cpplib.h (enum c_lang): Rename CLK_CXX0X to CLK_CXX11,
+	CLK_GNUCXX0X to CLK_GNUCXX11.
+
 2011-10-26  Ed Smith-Rowland  <3dw4rd@verizon.net>
 
 	Implement C++11 user-defined literals.

libcpp/include/cpplib.h

@@ -167,7 +167,7 @@ enum cpp_ttype
 /* C language kind, used when calling cpp_create_reader.  */
 enum c_lang {CLK_GNUC89 = 0, CLK_GNUC99, CLK_GNUC1X,
 	     CLK_STDC89, CLK_STDC94, CLK_STDC99, CLK_STDC1X,
-	     CLK_GNUCXX, CLK_CXX98, CLK_GNUCXX0X, CLK_CXX0X, CLK_ASM};
+	     CLK_GNUCXX, CLK_CXX98, CLK_GNUCXX11, CLK_CXX11, CLK_ASM};
 
 /* Payload of a NUMBER, STRING, CHAR or COMMENT token.  */
 struct GTY(()) cpp_string {

libcpp/init.c

@@ -94,11 +94,11 @@ static const struct lang_flags lang_defaults[] =
   /* STDC1X   */  { 1,  0,  1,   0,  1,   1,   1,   1,   0,    0 },
   /* GNUCXX   */  { 0,  1,  1,   0,  0,   1,   1,   0,   0,    0 },
   /* CXX98    */  { 0,  1,  1,   0,  1,   1,   1,   0,   0,    0 },
-  /* GNUCXX0X */  { 1,  1,  1,   0,  0,   1,   1,   1,   1,    1 },
+  /* GNUCXX11 */  { 1,  1,  1,   0,  0,   1,   1,   1,   1,    1 },
-  /* CXX0X    */  { 1,  1,  1,   0,  1,   1,   1,   1,   1,    1 },
+  /* CXX11    */  { 1,  1,  1,   0,  1,   1,   1,   1,   1,    1 },
   /* ASM      */  { 0,  0,  1,   0,  0,   1,   0,   0,   0,    0 }
-  /* xid should be 1 for GNUC99, STDC99, GNUCXX, CXX98, GNUCXX0X, and
+  /* xid should be 1 for GNUC99, STDC99, GNUCXX, CXX98, GNUCXX11, and
-     CXX0X when no longer experimental (when all uses of identifiers
+     CXX11 when no longer experimental (when all uses of identifiers
      in the compiler have been audited for correct handling of
      extended identifiers).  */
 };

libstdc++-v3/ChangeLog

@@ -1,3 +1,8 @@
+2011-10-31  Jason Merrill  <jason@redhat.com>
+
+	PR c++/50920
+	* include/bits/c++0x_warning.h: Change -std=c++0x to -std=c++11.
+
 2011-10-30  Gerald Pfeifer  <gerald@pfeifer.com>
 
 	* prerequisites.xml: Refer to GCC (instead of gcc) and GNU/Linux.

libstdc++-v3/include/bits/c++0x_warning.h

@@ -29,9 +29,9 @@
 #define _CXX0X_WARNING_H 1
 
 #ifndef __GXX_EXPERIMENTAL_CXX0X__
-#error This file requires compiler and library support for the upcoming \
+#error This file requires compiler and library support for the \
-ISO C++ standard, C++0x. This support is currently experimental, and must be \
+ISO C++ 2011 standard. This support is currently experimental, and must be \
-enabled with the -std=c++0x or -std=gnu++0x compiler options.
+enabled with the -std=c++11 or -std=gnu++11 compiler options.
 #endif
 
 #endif

libstdc++-v3/testsuite/18_support/headers/cstdbool/std_c++0x_neg.cc

@@ -20,7 +20,7 @@
 
 #include <cstdbool>
 
-// { dg-error "upcoming ISO" "" { target *-*-* } 32 } 
+// { dg-error "ISO C.. 2011" "" { target *-*-* } 32 }
 
 
 

libstdc++-v3/testsuite/18_support/headers/cstdint/std_c++0x_neg.cc

@@ -20,7 +20,7 @@
 
 #include <cstdint>
 
-// { dg-error "upcoming ISO" "" { target *-*-* } 32 } 
+// { dg-error "ISO C.. 2011" "" { target *-*-* } 32 }
 
 
 

libstdc++-v3/testsuite/19_diagnostics/headers/system_error/std_c++0x_neg.cc

@@ -19,7 +19,7 @@
 
 #include <system_error>
 
-// { dg-error "upcoming ISO" "" { target *-*-* } 32 } 
+// { dg-error "ISO C.. 2011" "" { target *-*-* } 32 }
 
 
 

libstdc++-v3/testsuite/20_util/headers/type_traits/std_c++0x_neg.cc

@@ -20,7 +20,7 @@
 
 #include <type_traits>
 
-// { dg-error "upcoming ISO" "" { target *-*-* } 32 } 
+// { dg-error "ISO C.. 2011" "" { target *-*-* } 32 }
 
 
 

libstdc++-v3/testsuite/23_containers/headers/array/std_c++0x_neg.cc

@@ -20,7 +20,7 @@
 
 #include <array>
 
-// { dg-error "upcoming ISO" "" { target *-*-* } 32 } 
+// { dg-error "ISO C.. 2011" "" { target *-*-* } 32 }
 
 
 

libstdc++-v3/testsuite/23_containers/headers/tuple/std_c++0x_neg.cc

@@ -20,7 +20,7 @@
 
 #include <tuple>
 
-// { dg-error "upcoming ISO" "" { target *-*-* } 32 } 
+// { dg-error "ISO C.. 2011" "" { target *-*-* } 32 }
 
 
 

libstdc++-v3/testsuite/23_containers/headers/unordered_map/std_c++0x_neg.cc

@@ -20,7 +20,7 @@
 
 #include <unordered_map>
 
-// { dg-error "upcoming ISO" "" { target *-*-* } 32 } 
+// { dg-error "ISO C.. 2011" "" { target *-*-* } 32 }
 
 
 

libstdc++-v3/testsuite/23_containers/headers/unordered_set/std_c++0x_neg.cc

@@ -20,7 +20,7 @@
 
 #include <unordered_set>
 
-// { dg-error "upcoming ISO" "" { target *-*-* } 32 } 
+// { dg-error "ISO C.. 2011" "" { target *-*-* } 32 }
 
 
 

libstdc++-v3/testsuite/26_numerics/headers/ccomplex/std_c++0x_neg.cc

@@ -20,7 +20,7 @@
 
 #include <ccomplex>
 
-// { dg-error "upcoming ISO" "" { target *-*-* } 32 } 
+// { dg-error "ISO C.. 2011" "" { target *-*-* } 32 }
 
 
 

libstdc++-v3/testsuite/26_numerics/headers/cfenv/std_c++0x_neg.cc

@@ -20,7 +20,7 @@
 
 #include <cfenv>
 
-// { dg-error "upcoming ISO" "" { target *-*-* } 32 } 
+// { dg-error "ISO C.. 2011" "" { target *-*-* } 32 }
 
 
 

libstdc++-v3/testsuite/26_numerics/headers/ctgmath/std_c++0x_neg.cc

@@ -20,7 +20,7 @@
 
 #include <ctgmath>
 
-// { dg-error "upcoming ISO" "" { target *-*-* } 32 } 
+// { dg-error "ISO C.. 2011" "" { target *-*-* } 32 }
 
 
 

libstdc++-v3/testsuite/26_numerics/headers/random/std_c++0x_neg.cc

@@ -20,7 +20,7 @@
 
 #include <random>
 
-// { dg-error "upcoming ISO" "" { target *-*-* } 32 } 
+// { dg-error "ISO C.. 2011" "" { target *-*-* } 32 }
 
 
 

libstdc++-v3/testsuite/27_io/headers/cinttypes/std_c++0x_neg.cc

@@ -20,7 +20,7 @@
 
 #include <cinttypes>
 
-// { dg-error "upcoming ISO" "" { target *-*-* } 32 } 
+// { dg-error "ISO C.. 2011" "" { target *-*-* } 32 }
 
 
 

libstdc++-v3/testsuite/28_regex/headers/regex/std_c++0x_neg.cc

@@ -20,7 +20,7 @@
 
 #include <regex>
 
-// { dg-error "upcoming ISO" "" { target *-*-* } 32 } 
+// { dg-error "ISO C.. 2011" "" { target *-*-* } 32 }
 
 
 

libstdc++-v3/testsuite/29_atomics/headers/atomic/std_c++0x_neg.cc

@@ -20,7 +20,7 @@
 
 #include <atomic>  // { dg-excess-errors "In file included from" }
 
-// { dg-error "upcoming ISO" "" { target *-*-* } 32 } 
+// { dg-error "ISO C.. 2011" "" { target *-*-* } 32 }
 
 
 

libstdc++-v3/testsuite/30_threads/headers/condition_variable/std_c++0x_neg.cc

@@ -20,7 +20,7 @@
 
 #include <condition_variable>
 
-// { dg-error "upcoming ISO" "" { target *-*-* } 32 } 
+// { dg-error "ISO C.. 2011" "" { target *-*-* } 32 }
 
 
 

libstdc++-v3/testsuite/30_threads/headers/future/std_c++0x_neg.cc

@@ -20,7 +20,7 @@
 
 #include <future>
 
-// { dg-error "upcoming ISO" "" { target *-*-* } 32 } 
+// { dg-error "ISO C.. 2011" "" { target *-*-* } 32 }
 
 
 

libstdc++-v3/testsuite/30_threads/headers/mutex/std_c++0x_neg.cc

@@ -20,7 +20,7 @@
 
 #include <mutex>
 
-// { dg-error "upcoming ISO" "" { target *-*-* } 32 } 
+// { dg-error "ISO C.. 2011" "" { target *-*-* } 32 }
 
 
 

libstdc++-v3/testsuite/30_threads/headers/thread/std_c++0x_neg.cc

@@ -22,4 +22,4 @@
 
 #include <thread>
 
-// { dg-error "upcoming ISO" "" { target *-*-* } 32 }
+// { dg-error "ISO C.. 2011" "" { target *-*-* } 32 }