Package: g++-mingw-w64-x86-64
Version: 4.6.3-14+8
Severity: normal
x86_64-w64-mingw32-g++ has differing behaviour for stringstream, depending upon
if -D_GLIBCXX_DEBUG is given or not.
builder@builder:~/mingw-debian-cross/code/tmp$ x86_64-w64-mingw32-g++ test.cpp
-o test
builder@builder:~/mingw-debian-cross/code/tmp$ wine64 ./test
attempting to cast :-123 to string
worked
builder@builder:~/mingw-debian-cross/code/tmp$ x86_64-w64-mingw32-g++ test.cpp
-o test -D_GLIBCXX_DEBUG
builder@builder:~/mingw-debian-cross/code/tmp$ wine64 ./test
attempting to cast :-123 to string
failed.
builder@builder:~/mingw-debian-cross/code/tmp$ cat test.cpp
#include <sstream>
#include <string>
#include <iostream>
using namespace std;
template<class T1, class T2> bool stream_cast(T1 &result, const T2 &obj)
{
std::stringstream ss;
ss << obj;
ss >> result;
return ss.fail();
}
int main()
{
int i;
std::string s;
i=-123;
std::cerr << "attempting to cast :" << i << " to string" << std::endl;
bool didFail = stream_cast(s,i);
if(didFail)
cerr << "failed." << endl;
else
cerr << "worked" << endl;
}
-- System Information:
Debian Release: 6.0.6
APT prefers testing
APT policy: (500, 'testing')
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.32-5-amd64 (SMP w/3 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages g++-mingw-w64-x86-64 depends on:
ii gcc-mingw-w64-base 4.6.3-14+8 GNU Compiler Collection for MinGW-
ii gcc-mingw-w64-x86-64 4.6.3-14+8 GNU C compiler for MinGW-w64 targe
ii libc6 2.13-38 Embedded GNU C Library: Shared lib
ii libgmp10 2:5.0.5+dfsg-2 Multiprecision arithmetic library
ii libmpc2 0.9-4 multiple precision complex floatin
ii libmpfr4 3.1.0-5 multiple precision floating-point
ii libstdc++6-4.6-dev 4.6.3-14 GNU Standard C++ Library v3 (devel
ii zlib1g 1:1.2.7.dfsg-13 compression library - runtime
g++-mingw-w64-x86-64 recommends no packages.
Versions of packages g++-mingw-w64-x86-64 suggests:
pn gcc-4.6-locales <none> (no description available)
-- no debconf information
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