1  /* { dg-do compile } */
       2  /* { dg-options "-fgnu-tm -O -fdump-tree-tmmark" } */
       3  
       4  struct large { int x[100]; };
       5  struct large large_global;
       6  extern struct large function (void) __attribute__((transaction_safe));
       7  
       8  void f()
       9  {
      10    __transaction_atomic {
      11        large_global = function();
      12    }
      13  }
      14  
      15  /* { dg-final { scan-tree-dump-times "memcpyRnWt \\\(&large_global," 1 "tmmark" } } */