------- Comment #4 from boschmann at tp1 dot physik dot uni-siegen dot de  
2010-04-09 15:22 -------
I've tried to isolate the error message from the ICE. The smallest code is
a_module for the error and b_module for the ICE. a_module is valid f2003 code
but b_module is not, it contains a pointer of undefined class. I guess that
this case occurs when error_stack_module is compiled: error_type will not be
defined in consequence of the "must not be POINTER" error but will be used as
class later.

module a_module
  implicit none
  type::a_type
     class(a_type),pointer::a_component
   contains
     procedure::proc=>a_proc
  end type a_type
contains
  subroutine a_proc(this)
    class(a_type)::this
  end subroutine a_proc
end module a_module

!!$ > gfortran -c a.f03
!!$ a.f03:6.14:
!!$
!!$      procedure::proc=>a_proc
!!$               1
!!$ Error: Passed-object dummy argument of 'a_proc' at (1) must not be POINTER

module b_module
  implicit none
  type::b_type
     class(not_yet_defined_type_type),pointer::b_component
  end type b_type
end module b_module

!!$ > gfortran -c b.f03
!!$ f951: internal compiler error: in find_typebound_proc_uop, at
fortran/symbol.c:4863
!!$ Please submit a full bug report,
!!$ with preprocessed source if appropriate.
!!$ See <http://gcc.gnu.org/bugs.html> for instructions.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43696

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