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From: "kaladhorn at me dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug fortran/52531] New: Compilation fails with polymorphic dummy argument and OpenMP
Date: Thu, 08 Mar 2012 14:05:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D52531

             Bug #: 52531
           Summary: Compilation fails with polymorphic dummy argument and
                    OpenMP
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: kaladhorn@me.com


The following code does not compile:

--
module test_mod
  type, public :: test_type
  end type
contains
  subroutine foo(bar)
    type(test_type) :: bar
!$omp parallel default(none) shared(bar) ! Compiles if one removes
default(none)
    call question(bar)
!$omp end parallel
  end subroutine
  subroutine question(var)
    class(test_type), intent(in) :: var ! Compiles if one replaces class by
type
  end subroutine
end module
--

The error message is:
=E2=80=98__vtab_test_mod_Test_type=E2=80=99 not specified in enclosing para=
llel

This was reproduced with gfortran 4.6 (gcc version 4.6.3 (GCC) ) and 4.7 (g=
cc
version 4.7.0 20120121 (experimental) (GCC) ) on x86_64-unknown-linux-gnu .