invoke.texi: Update to reflect that GNU11 is the default mode for C.

	* doc/invoke.texi: Update to reflect that GNU11 is the default
	mode for C.
	* c-common.h (c_language_kind): Update comment.
c-family/
	* c-opts.c (c_common_init_options): Make -std=gnu11 the default for C.

From-SVN: r216247

gcc/ChangeLog

+2014-10-15  Marek Polacek  <polacek@redhat.com>
+
+	* doc/invoke.texi: Update to reflect that GNU11 is the default
+	mode for C.
+	* c-common.h (c_language_kind): Update comment.
+
 2014-10-15  Richard Biener  <rguenther@suse.de>
 
 	* hash-table.c: Include bconfig.h if building for the host.

gcc/c-family/ChangeLog

+2014-10-15  Marek Polacek  <polacek@redhat.com>
+
+	* c-opts.c (c_common_init_options): Make -std=gnu11 the default for C.
+
 2014-10-14  DJ Delorie  <dj@redhat.com>
 
 	* c-pretty-print.c (pp_c_integer_constant): Check for all __intN

gcc/c-family/c-common.h

@@ -461,7 +461,7 @@ struct GTY(()) sorted_fields_type {
 
 typedef enum c_language_kind
 {
-  clk_c		= 0,		/* C90, C94 or C99 */
+  clk_c		= 0,		/* C90, C94, C99 or C11 */
   clk_objc	= 1,		/* clk_c with ObjC features.  */
   clk_cxx	= 2,		/* ANSI/ISO C++ */
   clk_objcxx	= 3		/* clk_cxx with ObjC features.  */

gcc/c-family/c-opts.c

@@ -250,6 +250,9 @@ c_common_init_options (unsigned int decoded_options_count,
 
   if (c_language == clk_c)
     {
+      /* The default for C is gnu11.  */
+      set_std_c11 (false /* ISO */);
+
       /* If preprocessing assembly language, accept any of the C-family
 	 front end options since the driver may pass them through.  */
       for (i = 1; i < decoded_options_count; i++)

gcc/doc/invoke.texi

@@ -1693,8 +1693,7 @@ interfaces) and L (Analyzability).  The name @samp{c1x} is deprecated.
 
 @item gnu90
 @itemx gnu89
-GNU dialect of ISO C90 (including some C99 features). This
-is the default for C code.
+GNU dialect of ISO C90 (including some C99 features).
 
 @item gnu99
 @itemx gnu9x
@@ -1702,8 +1701,8 @@ GNU dialect of ISO C99.  The name @samp{gnu9x} is deprecated.
 
 @item gnu11
 @itemx gnu1x
-GNU dialect of ISO C11.  This is intended to become the default in a
-future release of GCC.  The name @samp{gnu1x} is deprecated.
+GNU dialect of ISO C11.  This is the default for C code.
+The name @samp{gnu1x} is deprecated.
 
 @item c++98
 @itemx c++03