1  /* PR analyzer/101068.  */
       2  
       3  /* { dg-additional-options "--param analyzer-max-enodes-per-program-point=200 --param analyzer-bb-explosion-factor=50" } */
       4  
       5  #include <stdlib.h>
       6  
       7  extern int get (void);
       8  
       9  void test (void)
      10  {
      11    void *p0 = NULL, *p1 = NULL, *p2 = NULL, *p3 = NULL;
      12    /* Due to not purging constraints on SSA names within loops
      13       (PR analyzer/101068), the analyzer effectively treats the original
      14       explode-2.c as this code.  */
      15    int a = get ();
      16    int b = get ();
      17    while (a)
      18      {
      19        switch (b)
      20  	{
      21  	default:
      22  	case 0:
      23  	  p0 = malloc (16); /* { dg-warning "leak" } */
      24  	  break;
      25  	case 1:
      26  	  free (p0); /* { dg-warning "double-'free' of 'p0'" "" { xfail *-*-* } } */
      27  	  break;
      28  
      29  	case 2:
      30  	  p1 = malloc (16); /* { dg-warning "leak" } */
      31  	  break;
      32  	case 3:
      33  	  free (p1); /* { dg-warning "double-'free' of 'p1'" "" { xfail *-*-* } } */
      34  	  break;
      35  
      36  	case 4:
      37  	  p2 = malloc (16); /* { dg-warning "leak" } */
      38  	  break;
      39  	case 5:
      40  	  free (p2); /* { dg-warning "double-'free' of 'p2'" "" { xfail *-*-* } } */
      41  	  break;
      42  
      43  	case 6:
      44  	  p3 = malloc (16); /* { dg-warning "leak" } */
      45  	  break;
      46  	case 7:
      47  	  free (p3); /* { dg-warning "double-'free' of 'p3'" "" { xfail *-*-* } } */
      48  	  break;
      49  	}
      50      }
      51  }