[Bug debug/63623] Lots of functions get -fvar-tracking silently turned off unnecessarily

[matz at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63623

--- Comment #5 from Michael Matz <matz at gcc dot gnu.org> ---
Author: matz
Date: Fri Jun 12 14:13:33 2015
New Revision: 224435

URL: https://gcc.gnu.org/viewcvs?rev=224435&root=gcc&view=rev
Log:
        Backported from mainline
        2014-10-23  Jakub Jelinek  <jakub@redhat.com>

        PR debug/63623
        * var-tracking.c (stack_adjust_offset_pre_post_cb): New function.
        (stack_adjust_offset_pre_post): Use it through for_each_inc_dec,
        instead of only handling autoinc in dest if it is a MEM.

Modified:
    branches/gcc-4_9-branch/gcc/ChangeLog
    branches/gcc-4_9-branch/gcc/var-tracking.c