[Bug gprofng/30360] New: [gprofng collect] Seg. Fault when application uses std::thread

[vladimir.mezentsev at oracle dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=30360

            Bug ID: 30360
           Summary: [gprofng collect] Seg. Fault when application uses
                    std::thread
           Product: binutils
           Version: 2.41 (HEAD)
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gprofng
          Assignee: vladimir.mezentsev at oracle dot com
          Reporter: vladimir.mezentsev at oracle dot com
  Target Milestone: ---

The small test below demonstrates the problem:

% cat t.cc
#include <iostream>
#include <thread>

void thread_function()
{
    std::cout << "thread function\n";
}

int main()
{
    std::thread t(&thread_function);
    std::cout << "main thread\n";
    t.join();
    return 0;
}


% g++ -pthread t.cc
% ./a.out
main thread
thread function

% gprofng collect app ./a.out
Creating experiment directory test.1.er (Process ID: 1949746) ...
Segmentation fault (core dumped)

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