[Bug libfortran/18392] New: segfault on derived type namelist input

["Thomas dot Koenig at online dot de" <gcc-bugzilla at gcc dot gnu dot org>]

$ cat foo.f90
program main
  implicit none
  type foo
     integer a
     real b
  end type foo
  type(foo) :: a
  namelist /nl/ a
  read (*,nl)
end program main
$ gfortran -v
Reading specs from /home/zfkts/lib/gcc/ia64-unknown-linux-gnu/4.0.0/specs
Configured with: ../gcc-4.0-20041107/configure --prefix=/home/zfkts
--enable-languages=c,c++,f95
Thread model: posix
gcc version 4.0.0 20041107 (experimental)
$ gfortran foo.f90
$ ./a.out
 &NL
 A%A = 10,
Segmentation fault

According to Richard Maine (who knows the Fortran standard much
better than I do :-) on <m1is8gaw55.fsf@MLMCE0000L22801.local>,
this input should be legal.

-- 
           Summary: segfault on derived type namelist input
           Product: gcc
           Version: 4.0.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: libfortran
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: Thomas dot Koenig at online dot de
                CC: gcc-bugs at gcc dot gnu dot org
  GCC host triplet: ia64-unknown-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18392