[PATCH] Fix vect_supported_load_permutation_p memory leak (PR middle-end/56461)

[Jakub Jelinek]

Hi!

When returning true, load_index sbitmap is released, but not when returning
false.  Fixed thusly, bootstrapped/regtested on x86_64-linux and i686-linux,
ok for trunk?

2013-03-04  Jakub Jelinek  <ja...@redhat.com>

        PR middle-end/56461
        * tree-vect-slp.c (vect_supported_load_permutation_p): Free
        load_index sbitmap even if some bit in it isn't set.

--- gcc/tree-vect-slp.c.jj      2013-02-28 22:19:57.000000000 +0100
+++ gcc/tree-vect-slp.c 2013-03-04 15:01:48.441490311 +0100
@@ -1429,7 +1429,10 @@ vect_supported_load_permutation_p (slp_i
  
   for (j = 0; j < group_size; j++)
     if (!bitmap_bit_p (load_index, j))
-      return false;
+      {
+       sbitmap_free (load_index);
+       return false;
+      }
 
   sbitmap_free (load_index);
 

        Jakub