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error in g++, snapshot 20010108
From: |
Maurizio Loreti |
Subject: |
error in g++, snapshot 20010108 |
Date: |
10 Jan 2001 14:36:12 +0100 |
Hello -
In my relentless search for an usable snapshot of a current g++ with a
modern standard library, I have downloaded and installed the last
snapshot dated 20010108. When I tried to compile a program of mine, I
had what I think is due to a bug in the standard library. Here it is,
reduced to a minimal length of 7 lines of code:
address@hidden 14 $ cat bar.cxx
#include <memory>
#include <string>
#include <vector>
#include <fstream>
int main() {
std::auto_ptr< std::vector<std::string> > a( new std::vector<std::string> );
}
address@hidden 15 $ g++ -o bar bar.cxx
bar.cxx: In function `int main()':
bar.cxx:7: call of overloaded `vector()' is ambiguous
/usr/local/gcc/include/g++-v3/bits/stl_vector.h:252: candidates are:
std::vector<_Tp, _Alloc>::vector(unsigned int = 0) [with _Tp = string,
_Alloc = std::allocator<string>]
/usr/local/gcc/include/g++-v3/bits/stl_vector.h:244:
std::vector<_Tp, _Alloc>::vector(typename std::_Vector_base<_Tp,
_Alloc>::allocator_type& = typename std::_Vector_base<_Tp,
_Alloc>::allocator_type()) [with _Tp = string, _Alloc =
std::allocator<string>]
address@hidden 16 $
In case somebody wonders why I have #included <fstream>, well, if you
do not #include <fstream> the bug disappears :-)
I hope that bug report may be useful to the developers of g++ and/or
of the standard library. And I hope to find some week an usable
snapshot, if not a brand new g++ version 3.
--
Maurizio Loreti http://www.pd.infn.it/~loreti/mlo.html
Univ. of Padova, Dept. of Physics - Padova, Italy address@hidden
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