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gdb: Replace gdb::optional with std::optional

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Since GDB now requires C++17, we don't need the internally maintained
gdb::optional implementation.  This patch does the following replacing:
  - gdb::optional -> std::optional
  - gdb::in_place -> std::in_place
  - #include "gdbsupport/gdb_optional.h" -> #include <optional>

This change has mostly been done automatically.  One exception is
gdbsupport/thread-pool.* which did not use the gdb:: prefix as it
already lives in the gdb namespace.

Change-Id: I19a92fa03e89637bab136c72e34fd351524f65e9
Approved-By: Tom Tromey <tom@tromey.com>
Approved-By: Pedro Alves <pedro@palves.net>
This commit is contained in:
Lancelot Six
2023-10-13 09:27:48 +00:00
parent 6b62451ad0
commit 6b09f1342c
147 changed files with 417 additions and 416 deletions
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4
gdb/dwarf2/index-write.c
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@@ -1474,7 +1474,7 @@ struct index_wip_file
FILENAME_TEMP is unlinked, because on MS-Windows one cannot
delete a file that is still open. So, we wrap the unlinker in an
optional and emplace it once we know the file name. */
gdb::optional<gdb::unlinker> unlink_file;
std::optional<gdb::unlinker> unlink_file;
gdb_file_up out_file;
};
@@ -1497,7 +1497,7 @@ write_dwarf_index (dwarf2_per_bfd *per_bfd, const char *dir,
? INDEX5_SUFFIX : INDEX4_SUFFIX);
index_wip_file objfile_index_wip (dir, basename, index_suffix);
gdb::optional<index_wip_file> dwz_index_wip;
std::optional<index_wip_file> dwz_index_wip;
if (dwz_basename != NULL)
dwz_index_wip.emplace (dir, dwz_basename, index_suffix);