+2017-11-04  Tom Tromey  <tom@tromey.com>
+
+       * c-typeprint.c (c_type_print_base): Use gdb::unique_xmalloc_ptr.
+
 2017-11-04  Tom Tromey  <tom@tromey.com>
 
        * linux-tdep.c (linux_core_info_proc_mappings): Use
 
              for (j = 0; j < len2; j++)
                {
                  const char *mangled_name;
+                 gdb::unique_xmalloc_ptr<char> mangled_name_holder;
                  char *demangled_name;
-                 struct cleanup *inner_cleanup;
                  const char *physname = TYPE_FN_FIELD_PHYSNAME (f, j);
                  int is_full_physname_constructor =
                    TYPE_FN_FIELD_CONSTRUCTOR (f, j)
                  if (TYPE_FN_FIELD_ARTIFICIAL (f, j))
                    continue;
 
-                 inner_cleanup = make_cleanup (null_cleanup, NULL);
-
                  QUIT;
                  section_type = output_access_specifier
                    (stream, section_type, level,
                    }
                  if (TYPE_FN_FIELD_STUB (f, j))
                    {
-                     char *tem;
-
                      /* Build something we can demangle.  */
-                     tem = gdb_mangle_name (type, i, j);
-                     make_cleanup (xfree, tem);
-                     mangled_name = tem;
+                     mangled_name_holder.reset (gdb_mangle_name (type, i, j));
+                     mangled_name = mangled_name_holder.get ();
                    }
                  else
                    mangled_name = TYPE_FN_FIELD_PHYSNAME (f, j);
                      xfree (demangled_name);
                    }
 
-                 do_cleanups (inner_cleanup);
-
                  fprintf_filtered (stream, ";\n");
                }
            }