From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-477143-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 29470 invoked by alias); 13 Feb 2015 11:57:39 -0000
Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Id: <gcc-bugs.gcc.gnu.org>
List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-help@gcc.gnu.org>
Sender: gcc-bugs-owner@gcc.gnu.org
Received: (qmail 29400 invoked by uid 48); 13 Feb 2015 11:57:35 -0000
From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/65048] [5 Regression] ICE in add_phi_args_after_copy_edge, at tree-cfg.c
Date: Fri, 13 Feb 2015 11:57:00 -0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: middle-end
X-Bugzilla-Version: 5.0
X-Bugzilla-Keywords: ice-on-valid-code
X-Bugzilla-Severity: normal
X-Bugzilla-Who: jakub at gcc dot gnu.org
X-Bugzilla-Status: NEW
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 5.0
X-Bugzilla-Flags:
X-Bugzilla-Changed-Fields: cf_gcctarget bug_status cf_reconfirmed_on cc short_desc everconfirmed
Message-ID: <bug-65048-4-6q8Ic2Qwa9@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-65048-4@http.gcc.gnu.org/bugzilla/>
References: <bug-65048-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 7bit
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
X-SW-Source: 2015-02/txt/msg01476.txt.bz2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65048

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|arm-linux-gnueabihf         |
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2015-02-13
                 CC|                            |jakub at gcc dot gnu.org,
                   |                            |spop at gcc dot gnu.org
            Summary|[5 Regression] ICE in       |[5 Regression] ICE in
                   |add_phi_args_after_copy_edg |add_phi_args_after_copy_edg
                   |e, at tree-cfg.c on         |e, at tree-cfg.c
                   |arm-linux-gnueabihf         |
     Ever confirmed|0                           |1

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Slightly cleaned up testcase (though, it still requires the invalid calls of
function requiring argument without the argument and missing return).
int a, b, c, d;
void fn (void);

int
foo (x)
{
  switch (x)
    {
    case 'A':
      return 'T';
    case 'U':
      return 'A';
    }
}

void
bar (int x, int y)
{
  switch (c)
    {
    case 'U':
    switch (x)
      {
      default:
    fn ();
      case 'G':
    switch (y)
      {
      case 'A':
        d = 7;
      }
      }
    }
}

void
baz (void)
{
  while (1)
    {
      a = foo ();
      b = foo ();
      bar (a, b);
    }
}

Started with r218451.