re PR middle-end/56461 (GCC is leaking lots of memory)

	PR middle-end/56461
	* tree-loop-distribution.c (ldist_gen): Call partition_free after each
	partitions.ordered_remove.

From-SVN: r196427

gcc/ChangeLog

 2013-03-04  Jakub Jelinek  <jakub@redhat.com>
 
 	PR middle-end/56461
+	* tree-loop-distribution.c (ldist_gen): Call partition_free after each
+	partitions.ordered_remove.
+
+	PR middle-end/56461
 	* tree-vect-stmts.c (vectorizable_conversion): Don't call
 	vec_oprnds0.create (1) for modifier == NONE.
 

gcc/tree-loop-distribution.c

@@ -1306,6 +1306,7 @@ ldist_gen (struct loop *loop, struct graph *rdg,
 		if (partition->kind == PKIND_REDUCTION)
 		  into->kind = PKIND_REDUCTION;
 		partitions.ordered_remove (i);
+		partition_free (partition);
 		i--;
 	      }
 	    else
@@ -1342,6 +1343,7 @@ ldist_gen (struct loop *loop, struct graph *rdg,
 		  if (partition->kind == PKIND_REDUCTION)
 		    into->kind = PKIND_REDUCTION;
 		  partitions.ordered_remove (j);
+		  partition_free (partition);
 		  j--;
 		}
 	    }
@@ -1367,6 +1369,7 @@ ldist_gen (struct loop *loop, struct graph *rdg,
 	      bitmap_ior_into (into->stmts, what->stmts);
 	      into->kind = PKIND_REDUCTION;
 	      partitions.ordered_remove (i);
+	      partition_free (what);
 	    }
 	}
     }