[Bug 1576212] [NEW] internal compiler error: in wide_int_to_tree, at tree.c:1464

[Pierre]

Public bug reported:

The following code compile with gfortran called with flag -fcheck=all

module woodbury
implicit none

type :: woodbury_solver
  real(8) , allocatable :: u(:) 
end type woodbury_solver

contains

subroutine woodbury_fac(s, k)
type(woodbury_solver) :: s
integer, intent(in) :: k

allocate(s%u(k))

s%u = 0.0_8

end subroutine woodbury_fac

end module woodbury

$ gfortran -c test.f90 -fcheck=all
test.f90:16:0:

 s%u = 0.0_8
 1
internal compiler error: in wide_int_to_tree, at tree.c:1464
Please submit a full bug report,
with preprocessed source if appropriate.
See <file:///usr/share/doc/gcc-5/README.Bugs> for instructions.

Ubuntu 16.04 LTS
gcc:
  Installed: 4:5.3.1-1ubuntu1
  Candidate: 4:5.3.1-1ubuntu1
  Version table:
 *** 4:5.3.1-1ubuntu1 500
        500 http://fr.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
        100 /var/lib/dpkg/status

** Affects: gcc-defaults (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1576212

Title:
  internal compiler error: in wide_int_to_tree, at tree.c:1464

Status in gcc-defaults package in Ubuntu:
  New

Bug description:
  The following code compile with gfortran called with flag -fcheck=all

  module woodbury
  implicit none

  type :: woodbury_solver
    real(8) , allocatable :: u(:) 
  end type woodbury_solver

  contains

  subroutine woodbury_fac(s, k)
  type(woodbury_solver) :: s
  integer, intent(in) :: k

  allocate(s%u(k))

  s%u = 0.0_8

  end subroutine woodbury_fac

  end module woodbury

  $ gfortran -c test.f90 -fcheck=all
  test.f90:16:0:

   s%u = 0.0_8
   1
  internal compiler error: in wide_int_to_tree, at tree.c:1464
  Please submit a full bug report,
  with preprocessed source if appropriate.
  See <file:///usr/share/doc/gcc-5/README.Bugs> for instructions.

  Ubuntu 16.04 LTS
  gcc:
    Installed: 4:5.3.1-1ubuntu1
    Candidate: 4:5.3.1-1ubuntu1
    Version table:
   *** 4:5.3.1-1ubuntu1 500
          500 http://fr.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
          100 /var/lib/dpkg/status

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