@@ -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");
@@ -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