* c-cppbuiltin.c (c_cpp_builtins): Update __cpp_deduction_guides.

From-SVN: r257700

gcc/c-family/ChangeLog

+2018-02-15  Jason Merrill  <jason@redhat.com>
+
+	* c-cppbuiltin.c (c_cpp_builtins): Update __cpp_deduction_guides.
+
 2018-02-09  Nathan Sidwell  <nathan@acm.org>
 
 	PR c/84293

gcc/c-family/c-cppbuiltin.c

@@ -970,7 +970,7 @@ c_cpp_builtins (cpp_reader *pfile)
 	  cpp_define (pfile, "__cpp_capture_star_this=201603");
 	  cpp_define (pfile, "__cpp_inline_variables=201606");
 	  cpp_define (pfile, "__cpp_aggregate_bases=201603");
-	  cpp_define (pfile, "__cpp_deduction_guides=201606");
+	  cpp_define (pfile, "__cpp_deduction_guides=201611");
 	  cpp_define (pfile, "__cpp_noexcept_function_type=201510");
 	  cpp_define (pfile, "__cpp_template_auto=201606");
 	  cpp_define (pfile, "__cpp_structured_bindings=201606");

gcc/testsuite/g++.dg/cpp1z/feat-cxx1z.C

@@ -358,8 +358,8 @@
 
 #ifndef __cpp_deduction_guides
 #  error "__cpp_deduction_guides"
-#elif __cpp_deduction_guides != 201606
-#  error "__cpp_deduction_guides != 201606"
+#elif __cpp_deduction_guides != 201611
+#  error "__cpp_deduction_guides != 201611"
 #endif
 
 #ifndef __cpp_if_constexpr