[Bug ipa/58389] [4.9 Regression] g++ ICE in ipa_find_reference

[jamborm at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58389

--- Comment #7 from Martin Jambor <jamborm at gcc dot gnu.org> ---
Author: jamborm
Date: Thu Sep 12 15:20:05 2013
New Revision: 202532

URL: http://gcc.gnu.org/viewcvs?rev=202532&root=gcc&view=rev
Log:
2013-09-12  Martin Jambor  <mjam...@suse.cz>

    PR ipa/58389
    * ipa-prop.c (remove_described_reference): Give up if the edge in the
    reference descriptor is NULL.
    (ipa_edge_removal_hook): If owning a reference descriptor, set its
    edge to NULL.

testsuite/
    * g++.dg/pr58389.C: New test.


Added:
    trunk/gcc/testsuite/g++.dg/pr58389.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ipa-prop.c
    trunk/gcc/testsuite/ChangeLog