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Fix PR#24267. use numeric_limits::max instead of ~0 for 'all ones', since that might...
author
Marshall Clow
<mclow.lists@gmail.com>
Thu, 30 Jul 2015 18:26:34 +0000
(18:26 +0000)
committer
Marshall Clow
<mclow.lists@gmail.com>
Thu, 30 Jul 2015 18:26:34 +0000
(18:26 +0000)
llvm-svn: 243674
libcxx/include/algorithm
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diff --git
a/libcxx/include/algorithm
b/libcxx/include/algorithm
index
7b0c53e
..
c1635fc
100644
(file)
--- a/
libcxx/include/algorithm
+++ b/
libcxx/include/algorithm
@@
-3037,7
+3037,7
@@
uniform_int_distribution<_IntType>::operator()(_URNG& __g, const param_type& __p
if (_Rp == 0)
return static_cast<result_type>(_Eng(__g, _Dt)());
size_t __w = _Dt - __clz(_Rp) - 1;
- if ((_Rp & (
_UIntType(~0
) >> (_Dt - __w))) != 0)
+ if ((_Rp & (
std::numeric_limits<_UIntType>::max(
) >> (_Dt - __w))) != 0)
++__w;
_Eng __e(__g, __w);
_UIntType __u;