[Bug ipa/79931] ICE in dump_possible_polymorphic_call_targets with -fdump-ipa-all -O2

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79931

--- Comment #9 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Mon Apr 24 14:48:43 2017
New Revision: 247102

URL: https://gcc.gnu.org/viewcvs?rev=247102&root=gcc&view=rev
Log:
Subject: Backport r247097

2017-04-24  Martin Liska  <mliska@suse.cz>

        Backport from mainline
        2017-04-24  Jan Hubicka  <hubicka@ucw.cz>

        PR middle-end/79931
        * ipa-devirt.c (dump_possible_polymorphic_call_targets): Fix ICE.
2017-04-24  Martin Liska  <mliska@suse.cz>

        Backport from mainline
        2017-04-24  Martin Liska  <mliska@suse.cz>

        PR middle-end/79931
        * g++.dg/ipa/pr79931.C: New test.

Added:
    branches/gcc-7-branch/gcc/testsuite/g++.dg/ipa/pr79931.C
Modified:
    branches/gcc-7-branch/gcc/ChangeLog
    branches/gcc-7-branch/gcc/ipa-devirt.c
    branches/gcc-7-branch/gcc/testsuite/ChangeLog