[PATCH, SMS] Add missing free operation in mark_loop_unsched

[Revital Eres]

Hello,

The patch below adds a missing free operation in mark_loop_unsched.

Tested (bootstrap and regtest) ppc64-redhat-linux.

OK for 3.7?

Thanks,
Revital


Changelog:

        * modulo-sched.c (mark_loop_unsched): Free bbs.

Index: modulo-sched.c
===================================================================
--- modulo-sched.c      (revision 182198)
+++ modulo-sched.c      (working copy)
@@ -1204,6 +1204,8 @@ mark_loop_unsched (struct loop *loop)

   for (i = 0; i < loop->num_nodes; i++)
     bbs[i]->flags |= BB_DISABLE_SCHEDULE;
+
+  free (bbs);
 }

 /* Return true if all the BBs of the loop are empty except the