generic-library/cxx
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Fix use of operator comma in is_permutation and delete comma operator for test iterators.

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The comma operators in the test iterators give better error messages when they
are deleted as opposed to not defined. Delete these functions when possible.


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@220715 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Fiselier 2014-10-27 20:26:25 +00:00
parent e4e883e6c8
commit 62a0e01343
2 changed files with 14 additions and 6 deletions
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2
include/algorithm
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@ -1327,7 +1327,7 @@ __is_permutation(_ForwardIterator1 __first1, _ForwardIterator1 __last1,
forward_iterator_tag, forward_iterator_tag )
{
// shorten sequences as much as possible by lopping of any equal parts
for (; __first1 != __last1 && __first2 != __last2; ++__first1, ++__first2)
for (; __first1 != __last1 && __first2 != __last2; ++__first1, (void) ++__first2)
if (!__pred(*__first1, *__first2))
goto __not_done;
return __first1 == __last1 && __first2 == __last2;

18
test/support/test_iterators.h
View File

@ -13,6 +13,12 @@
#include <iterator>
#include <cassert>
#ifndef _LIBCPP_HAS_NO_DELETED_FUNCTIONS
#define DELETE_FUNCTION = delete
#else
#define DELETE_FUNCTION
#endif
template <class It>
class output_iterator
{
@ -40,7 +46,7 @@ public:
{output_iterator tmp(*this); ++(*this); return tmp;}
template <class T>
void operator,(T const &);
void operator,(T const &) DELETE_FUNCTION;
};
template <class It>
@ -76,7 +82,7 @@ public:
{return !(x == y);}
template <class T>
void operator,(T const &);
void operator,(T const &) DELETE_FUNCTION;
};
template <class T, class U>
@ -128,7 +134,7 @@ public:
{return !(x == y);}
template <class T>
void operator,(T const &);
void operator,(T const &) DELETE_FUNCTION;
};
template <class T, class U>
@ -179,7 +185,7 @@ public:
{bidirectional_iterator tmp(*this); --(*this); return tmp;}
template <class T>
void operator,(T const &);
void operator,(T const &) DELETE_FUNCTION;
};
template <class T, class U>
@ -241,7 +247,7 @@ public:
reference operator[](difference_type n) const {return it_[n];}
template <class T>
void operator,(T const &);
void operator,(T const &) DELETE_FUNCTION;
};
template <class T, class U>
@ -423,4 +429,6 @@ inline Iter base(comma_iterator<Iter> i) { return i.base(); }
template <class Iter> // everything else
inline Iter base(Iter i) { return i; }
#undef DELETE_FUNCTION
#endif // ITERATORS_H