[Bug ipa/80205] [5/6 Regression] ICE in walk_ssa_copies at ipa-polymorphic-call.c:835

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80205

--- Comment #3 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Fri May 26 11:25:34 2017
New Revision: 248493

URL: https://gcc.gnu.org/viewcvs?rev=248493&root=gcc&view=rev
Log:
Backport r246530

2017-05-26  Martin Liska  <mliska@suse.cz>

        Backport from mainline
        2017-03-28  Richard Biener  <rguenther@suse.de>

        PR ipa/80205
        * tree-inline.c (copy_phis_for_bb): Do not create PHI node
        without arguments, generate default definition of a SSA name.
2017-05-26  Martin Liska  <mliska@suse.cz>

        Backport from mainline
        2017-03-28  Martin Liska  <mliska@suse.cz>

        PR ipa/80205
        * g++.dg/ipa/pr80205.C: New test.

Added:
    branches/gcc-6-branch/gcc/testsuite/g++.dg/ipa/pr80205.C
Modified:
    branches/gcc-6-branch/gcc/ChangeLog
    branches/gcc-6-branch/gcc/testsuite/ChangeLog
    branches/gcc-6-branch/gcc/tree-inline.c