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hashtable_policy.h (_Hash_code_base): Restore default constructor protected.

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2013-02-13  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/hashtable_policy.h (_Hash_code_base): Restore
	default constructor protected.
	* include/bits/hashtable.h: static assert that _Hash_code_base has
	a default constructor available through inheritance.

From-SVN: r196030
This commit is contained in:
François Dumont 2013-02-13 21:09:34 +00:00
parent c4bfe8bfdb
commit d9a3647a22
3 changed files with 17 additions and 9 deletions
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7
libstdc++-v3/ChangeLog
View File

@ -1,3 +1,10 @@
2013-02-13 François Dumont <fdumont@gcc.gnu.org>
* include/bits/hashtable_policy.h (_Hash_code_base): Restore
default constructor protected.
* include/bits/hashtable.h: static assert that _Hash_code_base has
a default constructor available through inheritance.
2013-02-12 Paolo Carlini <paolo.carlini@oracle.com>
* include/c_std/cstdlib (at_quick_exit, quick_exit): Provide in

5
libstdc++-v3/include/bits/hashtable.h
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@ -266,7 +266,10 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
// __hash_code_base above to compute node bucket index so it has to be
// default constructible.
static_assert(__if_hash_not_cached<
is_default_constructible<__hash_code_base>>::value,
is_default_constructible<
// We use _Hashtable_ebo_helper to access the protected
// default constructor.
__detail::_Hashtable_ebo_helper<0, __hash_code_base>>>::value,
"Cache the hash code or make functors involved in hash code"
" and bucket index computation default constructible");

14
libstdc++-v3/include/bits/hashtable_policy.h
View File

@ -918,15 +918,13 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
using __ebo_extract_key = _Hashtable_ebo_helper<0, _ExtractKey>;
using __ebo_hash = _Hashtable_ebo_helper<1, _Hash>;
public:
// We need the default constructor for the local iterators.
_Hash_code_base() = default;
protected:
typedef void* __hash_code;
typedef _Hash_node<_Value, false> __node_type;
protected:
// We need the default constructor for the local iterators.
_Hash_code_base() = default;
_Hash_code_base(const _ExtractKey& __ex, const _H1&, const _H2&,
const _Hash& __h)
: __ebo_extract_key(__ex), __ebo_hash(__h) { }
@ -1004,13 +1002,13 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
hash_function() const
{ return _M_h1(); }
// We need the default constructor for the local iterators.
_Hash_code_base() = default;
protected:
typedef std::size_t __hash_code;
typedef _Hash_node<_Value, false> __node_type;
// We need the default constructor for the local iterators.
_Hash_code_base() = default;
_Hash_code_base(const _ExtractKey& __ex,
const _H1& __h1, const _H2& __h2,
const _Default_ranged_hash&)