[Bug tree-optimization/58396] [4.9 Regression] heap-use-after-free at gcc/tree-loop-distribution.c:1959

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58396

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Sep 12 11:18:46 2013
New Revision: 202521

URL: http://gcc.gnu.org/viewcvs?rev=202521&root=gcc&view=rev
Log:
2013-09-12  Richard Biener  <rguent...@suse.de>

    PR tree-optimization/58396
    * tree-loop-distribution.c (create_rdg_edges): Free unused DDRs.
    (build_rdg): Take a loop-nest parameter, fix memleaks.
    (distribute_loop): Compute loop-nest here and pass it to build_rdg.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-loop-distribution.c