Comment 2 for bug 1157603

$cat thread.cc
#include <thread>

void f(){}

int main()
{
   std::thread t(f);
   t.join();
}

$clang++ -v
clang version 3.2 (trunk)
Target: x86_64-unknown-linux-gnu
Thread model: posix
$clang++ -std=c++11 thread.cc -o thread -pthread

$./thread
pure virtual method called
terminate called without an active exception
Aborted