[Bug c++/56303] New: [C++11] ICE in lambda with closure on member variable of a template class

["crillion at tiscali dot it" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56303

             Bug #: 56303
           Summary: [C++11] ICE in lambda with closure on member variable
                    of a template class
    Classification: Unclassified
           Product: gcc
           Version: 4.7.2
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: crillion@tiscali.it


Created attachment 29432
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29432
the ii file generated by the compiler

Hi, 

   I get an internal compiler error with a C++11 program on GCC 4.7.2,
targeting MinGW on Windows 7 64 bit. I've also checked that the same error is
generated on GCC 4.7.1 on a linux virtual machine (opensuse 12.2 64bit on
VirtualBox, hosted by my Windows 7 64 bit operating system).
As requested on instructions, I have used the -Wall -Wextra
-fno-strict-aliasing -fwrapv options to better detect errors in code but that
didn't change the result. I also used -pedantic, idem. I used -save-temps to
save the ii file that I attach to this post.

The error is "Segmentation Fault".

I've seen I get it using a closure, also with variants in the use of []
operator: [&], [this], [=] as indicated in the comment in the code.

When I write [] I get "this not captured" error instead (seems no compiler
error).

I attach the .ii file generated by the compiler (4.7.2 on Windows 7 64bit). 

The program is :

////////////////////////////////////

#include <set>
#include <vector>

using namespace std;

template<class elements_it>
class my_iterator
{
public:

    my_iterator(elements_it begin, elements_it end) :
        begin_(begin), end_(end), i(0) {}

    void f()
    {
        for_each(begin_, end_, [=](typename elements_it::value_type) 
        {
            // segmentation fault with [&], [this], [=]
            // "this" not captured with []
            if(v[i]) return;
        });
    }

private:
    elements_it begin_;
    elements_it end_;
    size_t i;
    vector<int> v;
};

int main(int argc, char* argv[])
{
    set<int> elements = { 1, 2, 3 };

    my_iterator<set<int>::iterator> it(begin(elements), end(elements));
}

////////////////////

I get the following compiler error:

>g++ -pedantic -Wall -Wextra -fno-strict-aliasing -fwrapv -save-temps --st
d=c++11 test_enumeration1.cpp -o test_enumeration1_gpp.exe
test_enumeration1.cpp: In lambda function:
test_enumeration1.cpp:21:10: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.