1  /* { dg-do compile } */
       2  /* { dg-options "-fwrapv -O1 -ftree-vrp -fdisable-tree-evrp -fdump-tree-vrp1 -fdisable-tree-ethread -fdisable-tree-thread1" } */
       3  
       4  #include <limits.h>
       5  extern void abort ();
       6  extern void exit (int);
       7  
       8  int f (int a) {
       9  	if (a != INT_MIN) {
      10  		a = a > 0 ? a : -a;
      11  		if (a < 0)
      12  		  return 1;
      13  	}
      14  	return 0;
      15  }
      16  
      17  int g (int b) {
      18  	if (b != INT_MIN) {
      19  		b = b > 0 ? b : -b;
      20  		if (b >= 0)
      21  		  return 0;
      22  	}
      23  	return 1;
      24  }
      25  /* { dg-final { scan-tree-dump "Folding predicate a_. < 0 to 0" "vrp1" } } */
      26  /* { dg-final { scan-tree-dump "Folding predicate b_. >= 0 to 1" "vrp1" } } */