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Date: Tue, 09 Dec 2003 02:33:00 -0000
From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Message-ID: <20031209023347.13363.pinskia@gcc.gnu.org>
Reply-To: gcc-bugzilla@gcc.gnu.org
Subject: [Bug optimization/13363] New: [tree-ssa] ICE with arrays
X-Bugzilla-Reason: CC
X-SW-Source: 2003-12/txt/msg01010.txt.bz2
List-Id: <gcc-bugs.sourceware.org>

Try to compile this at -O1 or above:
enum machine_mode { MAX_MACHINE_MODE };
enum insn_code { CODE_FOR_nothing };

enum insn_code fixtab[(int) MAX_MACHINE_MODE][(int) MAX_MACHINE_MODE][2];
enum insn_code fixtrunctab[(int) MAX_MACHINE_MODE][(int) MAX_MACHINE_MODE][2];

void
init_optabs ()
{
  int i, j;
  enum insn_code *p;


  for (p = fixtab[0][0];
       p < fixtab[0][0] + sizeof fixtab / sizeof (fixtab[0][0][0]);
       p++)
    *p = CODE_FOR_nothing;

  for (p = fixtrunctab[0][0];
       p < fixtrunctab[0][0] + sizeof fixtrunctab / sizeof (fixtrunctab[0][0][0]);
       p++)
    *p = CODE_FOR_nothing;
}


You get:
new.c: In function `init_optabs':

new.c:11: internal compiler error: in maybe_fold_offset_to_array_ref, at tree-ssa-ccp.c:1534
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.

-- 
           Summary: [tree-ssa] ICE with arrays
           Product: gcc
           Version: tree-ssa
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: critical
          Priority: P2
         Component: optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: pinskia at gcc dot gnu dot org
                CC: gcc-bugs at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13363