Update -fabi-version default to 11.

	* c-opts.c (c_common_post_options): Update -fabi-version default to 11.

From-SVN: r238388

gcc/c-family/ChangeLog

+2016-07-15  Jason Merrill  <jason@redhat.com>
+
+	* c-opts.c (c_common_post_options): Update -fabi-version default to 11.
+
 2016-07-15  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c/71858

gcc/c-family/c-opts.c

@@ -887,15 +887,15 @@ c_common_post_options (const char **pfilename)
     }
   else if (flag_abi_compat_version == -1)
     {
-      /* Generate compatibility aliases for ABI v8 (5.1) by default. */
+      /* Generate compatibility aliases for ABI v10 (6.1) by default. */
       flag_abi_compat_version
-	= (flag_abi_version == 0 ? 8 : 0);
+	= (flag_abi_version == 0 ? 10 : 0);
     }
 
   /* Change flag_abi_version to be the actual current ABI level for the
      benefit of c_cpp_builtins.  */
   if (flag_abi_version == 0)
-    flag_abi_version = 10;
+    flag_abi_version = 11;
 
   if (cxx_dialect >= cxx11)
     {

gcc/testsuite/g++.dg/abi/macro0.C

 // This testcase will need to be kept in sync with c_common_post_options.
 // { dg-options "-fabi-version=0" }
 
-#if __GXX_ABI_VERSION != 1010
+#if __GXX_ABI_VERSION != 1011
 #error "Incorrect value of __GXX_ABI_VERSION"
 #endif