1  /* { dg-do compile } */
       2  /* { dg-options "-fgnu-tm" } */
       3  
       4  extern int foo(int) __attribute__((transaction_safe));
       5  void bar(void)
       6  {
       7    __transaction_atomic {
       8      if (foo(1))
       9        __transaction_atomic {
      10  	if (foo(2))
      11  	  __transaction_atomic {
      12  	    if (foo(3))
      13  	      __transaction_atomic {
      14  		if (foo(4))
      15  		  foo(5);
      16  		else
      17  		  __transaction_cancel;
      18  	      }
      19  	    else
      20  	      __transaction_cancel;
      21  	  }
      22  	else
      23  	  __transaction_cancel;
      24        }
      25      else
      26        __transaction_cancel;
      27    }
      28  }