[Bug ipa/84658] [7/8 Regression] -O3 -fmerge-all-constants causes incorrect for-each loop generation.

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84658

--- Comment #24 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Tue Mar 13 08:20:27 2018
New Revision: 258480

URL: https://gcc.gnu.org/viewcvs?rev=258480&root=gcc&view=rev
Log:
Fix PTA info in IPA ICF (PR ipa/84658).

2018-03-13  Martin Liska  <mli...@suse.cz>

        PR ipa/84658.
        * (sem_item_optimizer::sem_item_optimizer): Initialize new
        vector.
        (sem_item_optimizer::~sem_item_optimizer): Release it.
        (sem_item_optimizer::merge_classes): Register variable aliases.
        (sem_item_optimizer::fixup_pt_set): New function.
        (sem_item_optimizer::fixup_points_to_sets): Likewise.
        * ipa-icf.h: Declare new variables and functions.
2018-03-13  Martin Liska  <mli...@suse.cz>

        PR ipa/84658.
        * g++.dg/ipa/pr84658.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/ipa/pr84658.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ipa-icf.c
    trunk/gcc/ipa-icf.h
    trunk/gcc/testsuite/ChangeLog