http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56575
Bug #: 56575
Summary: An invalid OO code causes ICE
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: latlon90180+gcc_bugzi...@gmail.com
Dear all,
An invalid code shown below causes ICE on gfortran 4.8.0 and gfortran 4.6.3.
gfortran 4.5.3 produces proper error messages for the code.
Sincerely,
Amato
$ cat ice.F90
module lib_container
implicit none
type:: Object
end type Object
type:: Container
class(Object):: v
end type Container
contains
subroutine proc(self)
class(Container), intent(inout):: self
end subroutine proc
end module lib_container
-------------4.8-------------
$ /usr/lib/gcc-snapshot/bin/gfortran ice.F90 -c
f951: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <file:///usr/share/doc/gcc-snapshot/README.Bugs> for instructions.
$ /usr/lib/gcc-snapshot/bin/gfortran --version
GNU Fortran (Ubuntu/Linaro 20120314-0ubuntu2) 4.8.0 20120314 (experimental)
[trunk revision 185382]
Copyright (C) 2012 Free Software Foundation, Inc.
GNU Fortran comes with NO WARRANTY, to the extent permitted by law.
You may redistribute copies of GNU Fortran
under the terms of the GNU General Public License.
For more information about these matters, see the file named COPYING
-------------4.6-------------
$ gfortran-4.6 ice.F90 -c
f951: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <file:///share/doc/gcc-4.6/README.Bugs> for instructions.
$ gfortran-4.6 --version
GNU Fortran (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3
Copyright (C) 2011 Free Software Foundation, Inc.
GNU Fortran comes with NO WARRANTY, to the extent permitted by law.
You may redistribute copies of GNU Fortran
under the terms of the GNU General Public License.
For more information about these matters, see the file named COPYING
-------------4.5-------------
$ gfortran-4.5 ice.F90 -c
ice.F90:8.21:
class(Object):: v
1
Error: Component 'v' with CLASS at (1) must be allocatable or pointer
ice.F90:8.21:
class(Object):: v
1
Error: Component 'v' with CLASS at (1) must be allocatable or pointer
$ gfortran-4.5 --version
GNU Fortran (Ubuntu/Linaro 4.5.3-12ubuntu2) 4.5.3
Copyright (C) 2010 Free Software Foundation, Inc.
GNU Fortran comes with NO WARRANTY, to the extent permitted by law.
You may redistribute copies of GNU Fortran
under the terms of the GNU General Public License.
For more information about these matters, see the file named COPYING
