memory management - gfortran Deallocation segmentation fault -

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compiling gfortran, produces 4 'ok':

  type typethree      integer      real*8      real*8, allocatable :: aa(:)   end type typethree    type typetwo       type(typethree), allocatable :: b   end type typetwo    type typeone      type (typetwo), allocatable :: c(:)   end type typeone    type(typeone), allocatable :: d(:)    allocate(d(2))   print *, 'ok'   deallocate(d)   print *, 'ok'   allocate(d(2))   print *, 'ok'   allocate(d(1)%c(2))   print *, 'ok'   deallocate(d(1)%c)   print *, 'ok'    end

and produces segmentation fault when trying deallocate d(1)%c. using ifort, resolves issue. removing integer i under typethree resolves issue. letting compiler deallocation (commenting out deallocate(d(1)%c)) resolve issue. idea appreciated. using 

ulimit -s unlimited

doesn't help.

also: 

$ gfortran -v  using built-in specs. collect_gcc=gfortran collect_lto_wrapper=/usr/lib/gcc/x86_64-linux-gnu/4.6/lto-wrapper target: x86_64-linux-gnu configured with: ../src/configure -v --with-pkgversion='ubuntu/linaro 4.6.3-1ubuntu5' --with-bugurl=file:///usr/share/doc/gcc-4.6/readme.bugs --enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-4.6 --enable-shared --enable-linker-build-id --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.6 --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-gnu-unique-object --enable-plugin --enable-objc-gc --disable-werror --with-arch-32=i686 --with-tune=generic --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu thread model: posix gcc version 4.6.3 (ubuntu/linaro 4.6.3-1ubuntu5)

it bug gfortran (until gfortran 4.6 included), upgrade compiler 4.7 or higher version , problem should disapear.


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