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Add hash specializations for __int128_t. Fixes LWG issue 2119

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@266587 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Fiselier
2016-04-18 02:54:00 +00:00
parent c325f3dccf
commit b952822a48
3 changed files with 25 additions and 4 deletions
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16
include/functional
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@@ -2473,6 +2473,22 @@ struct _LIBCPP_TYPE_VIS_ONLY hash<unsigned long long>
{
};
#ifndef _LIBCPP_HAS_NO_INT128
template <>
struct _LIBCPP_TYPE_VIS_ONLY hash<__int128_t>
: public __scalar_hash<__int128_t>
{
};
template <>
struct _LIBCPP_TYPE_VIS_ONLY hash<__uint128_t>
: public __scalar_hash<__uint128_t>
{
};
#endif
template <>
struct _LIBCPP_TYPE_VIS_ONLY hash<float>
: public __scalar_hash<float>

5
test/std/utilities/function.objects/unord.hash/integral.pass.cpp
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@@ -98,4 +98,9 @@ int main()
test<uintmax_t>();
test<uintptr_t>();
#ifndef _LIBCPP_HAS_NO_INT128
test<__int128_t>();
test<__uint128_t>();
#endif
}

2
www/cxx1z_status.html
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@@ -167,7 +167,7 @@
<tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2072">2072</a></td><td>Unclear wording about capacity of temporary buffers</td><td>Kona</td><td>Complete</td></tr>
<tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2101">2101</a></td><td>Some transformation types can produce impossible types</td><td>Kona</td><td>Complete</td></tr>
<tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2111">2111</a></td><td>Which <tt>unexpected</tt>&#47;<tt>terminate</tt> handler is called from the exception handling runtime?</td><td>Kona</td><td>Complete</td></tr>
<tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2119">2119</a></td><td>Missing <tt>hash</tt> specializations for extended integer types</td><td>Kona</td><td></td></tr>
<tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2119">2119</a></td><td>Missing <tt>hash</tt> specializations for extended integer types</td><td>Kona</td><td>Complete</td></tr>
<tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2127">2127</a></td><td>Move-construction with <tt>raw_storage_iterator</tt></td><td>Kona</td><td>Complete</td></tr>
<tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2133">2133</a></td><td>Attitude to overloaded comma for iterators</td><td>Kona</td><td>Complete</td></tr>
<tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2156">2156</a></td><td>Unordered containers' <tt>reserve(n)</tt> reserves for <tt>n-1</tt> elements</td><td>Kona</td><td>Complete</td></tr>