try/catch in thread

[Vitaliy Kharin]

try run this code
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#include <zthread/Thread.h>
#include <iostream>
#include <stdexcept>

using namespace ZThread;

class aRunnable : public Runnable {

   void run() {

     Thread::sleep(3000);
    
     try
     {
         throw (std::runtime_error("new exception")); //core dumped, run terminate() (gcc 3.4.6)
     }
     catch(...)
     {
         std::cout << "never " << std::endl;  //!! this line is never being executed!!!!
     }
     std::cout << "Hello from another thread" << std::endl;
   }
  
};

int main() {

    
     // Explictly constructs a Task
     Task task(new aRunnable);

     Thread t1(task,0);

   std::cout << "Hello from the main thread" << std::endl;

   return 0;
}
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Why?