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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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2
gdb/eval.c
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@@ -102,7 +102,7 @@ expression::uses_objfile (struct objfile *objfile) const
struct value *
expression::evaluate (struct type *expect_type, enum noside noside)
{
gdb::optional<enable_thread_stack_temporaries> stack_temporaries;
std::optional<enable_thread_stack_temporaries> stack_temporaries;
if (target_has_execution () && inferior_ptid != null_ptid
&& language_defn->la_language == language_cplus
&& !thread_stack_temporaries_enabled_p (inferior_thread ()))