gcc-pr26912.patch

   1 --- gcc/gcc/cp/decl.c
   2 +++ gcc/gcc/cp/decl.c
   3 @@ -7598,9 +7598,11 @@
   4                are always static functions.  */
   5             ;
   6           else
   7 -           type = build_method_type_directly (ctype,
   8 -                                              TREE_TYPE (type),
   9 -                                              TYPE_ARG_TYPES (type));
  10 +           type = (build_method_type_directly
  11 +                   (cp_build_qualified_type (ctype,
  12 +                                             quals & ~TYPE_QUAL_RESTRICT),
  13 +                    TREE_TYPE (type),
  14 +                    TYPE_ARG_TYPES (type)));
  15         }
  16        else if (declspecs->specs[(int)ds_typedef]
  17                || COMPLETE_TYPE_P (complete_type (ctype)))