[ http://issues.apache.org/jira/browse/STDCXX-121?page=all ]
Martin Sebor reassigned STDCXX-121:
-----------------------------------
Assign To: Martin Sebor
> std::search_n() assumes Size can be incremented
> -----------------------------------------------
>
> Key: STDCXX-121
> URL: http://issues.apache.org/jira/browse/STDCXX-121
> Project: STDCXX
> Type: Bug
> Components: 25. Algorithms
> Versions: 4.1.2, 4.1.3
> Environment: all
> Reporter: Anton Pevtsov
> Assignee: Martin Sebor
> Priority: Minor
>
> $ cat t.cpp && make t
> #include <algorithm>
> struct Size
> {
> operator int() { return 0; }
> private:
> void operator=(Size&);
> };
> template int* std::search_n(int*, int*, Size, const int&, int (*)(int, int));
> int main() { return 0; }
> ./include/algorithm.cc: In function '_FwdIter std::__search_n(_FwdIter,
> _FwdIter, _Dist*, _Size, const _TypeT&, _BinaryPredicate) [with _FwdIter =
> int*, _Dist = int, _Size = Size, _TypeT = int, _BinaryPredicate = int
> (*)(int, int)]':
> ./include/algorithm:304: instantiated from '_FwdIter
> std::search_n(_FwdIter, _FwdIter, _Size, const _TypeT&, _BinaryPredicate)
> [with _FwdIter = int*, _Size = Size, _TypeT = int, _BinaryPredicate = int
> (*)(int, int)]'
> t.cpp:11: instantiated from here
> ./include/algorithm.cc:303: error: conversion from 'int' to non-scalar type
> 'Size' requested
> ./include/algorithm.cc:311: error: no match for 'operator=' in '__matches = 0'
> t.cpp:8: note: candidates are: void Size::operator=(Size&)
> ./include/algorithm.cc:315: error: no match for 'operator++' in '++__matches'
> make: *** [t.o] Error 1
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