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gdb: add gdb::make_unique function

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While GDB is still C++11, lets add a gdb::make_unique template
function that can be used to create std::unique_ptr objects, just like
the C++14 std::make_unique.

If GDB is being compiled with a C++14 compiler then the new
gdb::make_unique function will delegate to the std::make_unique.  I
checked with gcc, and at -O1 and above gdb::make_unique will be
optimised away completely in this case.

If C++14 (or later) becomes our minimum, then it will be easy enough
to go through the code and replace gdb::make_unique with
std::make_unique later on.

I've make use of this function in all the places I think this can
easily be used, though I'm sure I've probably missed some.

Should be no user visible changes after this commit.

Approved-By: Tom Tromey <tom@tromey.com>
This commit is contained in:
Andrew Burgess
2023-08-10 17:57:46 +01:00
parent adc5f8b99a
commit 0b72cde372
15 changed files with 32 additions and 22 deletions
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gdb/gdbtypes.c
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@@ -5853,7 +5853,7 @@ static const struct registry<objfile>::key<fixed_point_type_storage>
void
allocate_fixed_point_type_info (struct type *type)
{
std::unique_ptr<fixed_point_type_info> up (new fixed_point_type_info);
auto up = gdb::make_unique<fixed_point_type_info> ();
fixed_point_type_info *info;
if (type->is_objfile_owned ())