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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/ia64-tdep.c
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@@ -69,7 +69,7 @@ struct ia64_table_entry
};
static struct ia64_table_entry *ktab = NULL;
static gdb::optional<gdb::byte_vector> ktab_buf;
static std::optional<gdb::byte_vector> ktab_buf;
#endif
@@ -2648,7 +2648,7 @@ ia64_access_mem (unw_addr_space_t as,
}
/* Call low-level function to access the kernel unwind table. */
static gdb::optional<gdb::byte_vector>
static std::optional<gdb::byte_vector>
getunwind_table ()
{
/* FIXME drow/2005-09-10: This code used to call