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From: "burnus at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/95550] New: [OpenACC] ICE in expand_oacc_for, at
 omp-expand.c:6075
Date: Fri, 05 Jun 2020 09:58:10 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D95550

            Bug ID: 95550
           Summary: [OpenACC] ICE in expand_oacc_for, at omp-expand.c:6075
           Product: gcc
           Version: 10.0
            Status: UNCONFIRMED
          Keywords: openacc
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: burnus at gcc dot gnu.org
  Target Milestone: ---

The following program gives an ICE with -fopenacc:

   12 |     !$acc loop private(A)
      |=20
internal compiler error: in expand_oacc_for, at omp-expand.c:6075
0x6b9638 expand_oacc_for
        ../../repos/gcc-cs-og10-pre/gcc/omp-expand.c:6075
0xd6eadf expand_omp_for
        ../../repos/gcc-cs-og10-pre/gcc/omp-expand.c:6583
0xd6f5ea expand_omp
        ../../repos/gcc-cs-og10-pre/gcc/omp-expand.c:8912



program main
  implicit none (type, external)
  integer :: j, i
  integer, allocatable :: A(:)

  A =3D [(3*j, j=3D1, 10)]

  !$acc parallel create(A)
    A(:) =3D [(-2*i, i =3D 1, size(A))]
    !$acc loop private(A)
    do i =3D 1, 10
      A(i) =3D 9*i
    end do
    !if (any (A /=3D [(-2*i, i =3D 1, 10)])) error stop 2
  !$acc end parallel
end=