* bitmap.c (bitmap_operation): Don't leak bitmap elements.

From-SVN: r32038

gcc/ChangeLog

+2000-02-17  Jason Merrill  <jason@casey.cygnus.com>
+
+	* bitmap.c (bitmap_operation): Don't leak bitmap elements.
+
 2000-02-17  Mark Mitchell  <mark@codesourcery.com>
 
 	* function.c (thread_prologue_and_epilogue_insns): Put a line note

gcc/bitmap.c

@@ -477,7 +477,7 @@ bitmap_operation (to, from1, from2, operation)
 	  changed = 1;
 	  to_tmp = to_ptr;
 	  to_ptr = to_ptr->next;
-	  to_tmp = bitmap_free;
+	  to_tmp->next = bitmap_free;
 	  bitmap_free = to_tmp;
 	}
       if (to_ptr && to_ptr->indx == indx)
@@ -517,6 +517,11 @@ bitmap_operation (to, from1, from2, operation)
 	  to_tmp->indx = indx;
 	  bitmap_element_link (to, to_tmp);
 	}
+      else
+	{
+	  to_tmp->next = bitmap_free;
+	  bitmap_free = to_tmp;
+	}
     }
 
   /* If we have elements of TO left over, free the lot.  */