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

[Jakub Jelinek]

Hi!

alloc_succs_info creates vectors up to and including
succs_info_pool.max_top, so without the following fix we leak the
last set of 3 vectors.

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
        * sel-sched-ir.c (free_sched_pools): Release
        succs_info_pool.stack[succs_info_pool.max_top] vectors too
        if succs_info_pool.max_top isn't -1.

--- gcc/sel-sched-ir.c.jj       2013-02-27 14:59:51.000000000 +0100
+++ gcc/sel-sched-ir.c  2013-03-04 17:47:34.705686637 +0100
@@ -5020,7 +5020,7 @@ free_sched_pools (void)
 
   free_alloc_pool (sched_lists_pool);
   gcc_assert (succs_info_pool.top == -1);
-  for (i = 0; i < succs_info_pool.max_top; i++)
+  for (i = 0; i <= succs_info_pool.max_top; i++)
     {
       succs_info_pool.stack[i].succs_ok.release ();
       succs_info_pool.stack[i].succs_other.release ();

        Jakub