gdbsupport: remove gdb::optional

The previous patch migrated all the uses of gdb::optional to use
std::optional instead,  so gdb::optional can be removed entirely
as well as the self-tests which came with it.

Change-Id: I96ecd67b850b01be10ef00eb85a78ac647d5adc7
Approved-By: Tom Tromey <tom@tromey.com>
Approved-By: Pedro Alves <pedro@palves.net>

1 files changed, 0 insertions, 95 deletions

diff --git a/gdb/unittests/optional-selftests.c b/gdb/unittests/optional-selftests.c
deleted file mode 100644
index 51135b8..0000000
--- a/gdb/unittests/optional-selftests.c
+++ /dev/null
@@ -1,95 +0,0 @@
-/* Self tests for optional for GDB, the GNU debugger.
-
-   Copyright (C) 2017-2023 Free Software Foundation, Inc.
-
-   This file is part of GDB.
-
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 3 of the License, or
-   (at your option) any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
-
-#include "defs.h"
-#include "gdbsupport/selftest.h"
-#include "gdbsupport/gdb_optional.h"
-
-/* Used by the included .cc files below.  Included here because the
-   included test files are wrapped in a namespace.  */
-#include <vector>
-#include <string>
-#include <memory>
-
-/* libstdc++'s testsuite uses VERIFY.  */
-#define VERIFY SELF_CHECK
-
-/* Used to disable testing features not supported by
-   std::optional.  */
-#define GDB_OPTIONAL
-
-namespace selftests {
-namespace optional {
-
-/* The actual tests live in separate files, which were originally
-   copied over from libstdc++'s testsuite.  To preserve the structure
-   and help with comparison with the original tests, the file names
-   have been preserved, and only minimal modification was done to have
-   them compile against std::optional instead of std::optional:
-
-     - std::optional->gdb:optional, etc.
-     - ATTRIBUTE_UNUSED in a few places
-     - wrap each file in a namespace so they can all be compiled as a
-       single unit.
-     - libstdc++'s license and formatting style was preserved.
-*/
-
-#include "optional/assignment/1.cc"
-#include "optional/assignment/2.cc"
-#include "optional/assignment/3.cc"
-#include "optional/assignment/4.cc"
-#include "optional/assignment/5.cc"
-#include "optional/assignment/6.cc"
-#include "optional/assignment/7.cc"
-#include "optional/cons/copy.cc"
-#include "optional/cons/default.cc"
-#include "optional/cons/move.cc"
-#include "optional/cons/value.cc"
-#include "optional/in_place.cc"
-#include "optional/observers/1.cc"
-#include "optional/observers/2.cc"
-
-static void
-run_tests ()
-{
-  assign_1::test ();
-  assign_2::test ();
-  assign_3::test ();
-  assign_4::test ();
-  assign_5::test ();
-  assign_6::test ();
-  assign_7::test ();
-  cons_copy::test ();
-  cons_default::test ();
-  cons_move::test ();
-  cons_value::test ();
-  in_place::test ();
-  observers_1::test ();
-  observers_2::test ();
-}
-
-} /* namespace optional */
-} /* namespace selftests */
-
-void _initialize_optional_selftests ();
-void
-_initialize_optional_selftests ()
-{
-  selftests::register_test ("optional", selftests::optional::run_tests);
-}