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From: "xnko at hotmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/52302] New: [4.6.2] cc1plus.exe hungs when compiling
Date: Fri, 17 Feb 2012 23:16:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52302

             Bug #: 52302
           Summary: [4.6.2] cc1plus.exe hungs when compiling
    Classification: Unclassified
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: xnko@hotmail.com


trying to compile this code cc1plus hungs, and when debugging in Visual Studio,
debugger catches stackoverflow exception.

gcc 4.6.2

cpp.cpp:
#include <iostream>
#include <functional>

void open(std::function<void()> callback)
{
    callback();
}

void read(std::function<void()> callback)
{
    auto opencb = ([&]()
    {
        int x = 0;

        return [=]() mutable {
            x++; 

            callback();
        };
    })();

    open(opencb);
}

int main(int argc, char **argv)
{
    read([]() {});

    return 0;
}

command line:
>g++ -c cpp.cpp -g -Wall -Wextra -std=c++0x -o cpp.o