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gdbsupport: allow passing nullptr to checked_static_cast

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Both static_cast and dynamic_cast handle nullptr (they return nullptr),
so I think checked_static_cast should too.  This will allow doing a null
check after a checked_static_cast:

  cooked_index_vector *table
    = (gdb::checked_static_cast<cooked_index_vector *>
       (per_bfd->index_table.get ()));
  if (table != nullptr)
    return;

Change-Id: If5c3134e63696f8e417c87b5f3901240c9f7ea97
This commit is contained in:
Simon Marchi
2023-01-31 10:57:20 -05:00
parent 95cbab2beb
commit d7789889b1
1 changed files with 3 additions and 0 deletions
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3
gdbsupport/gdb-checked-static-cast.h
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@ -54,6 +54,9 @@ checked_static_cast (V *v)
"types must be related");
#ifdef DEVELOPMENT
if (v == nullptr)
return nullptr;
T result = dynamic_cast<T> (v);
gdb_assert (result != nullptr);
#else