https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77785
--- Comment #4 from Gerhard Steinmetz <gerhard.steinmetz.fort...@t-online.de> --- Indeed, case from comment 0 is fixed now. Still pending : $ cat z2.f90 module m type t real, allocatable :: a end type contains subroutine s(x) class(t) :: x[*] allocate (x%a) end end $ cat z3.f90 module m type t real, pointer :: a end type contains subroutine s(x) class(t) :: x[*] allocate (x%a) end end $ gfortran-7-20161002 -fcoarray=single -c z2.f90 $ gfortran-7-20161002 -fcoarray=lib -c z2.f90 z2.f90:8:0: allocate (x%a) internal compiler error: Segmentation fault 0xc29b8f crash_signal ../../gcc/toplev.c:337 0x764ee5 gfc_get_caf_token_offset(gfc_se*, tree_node**, tree_node**, tree_node*, tree_node*, gfc_expr*) ../../gcc/fortran/trans-expr.c:1979 0x7acbb6 gfc_trans_allocate(gfc_code*) ../../gcc/fortran/trans-stmt.c:5895 0x7240f7 trans_code ../../gcc/fortran/trans.c:1870 0x7538f8 gfc_generate_function_code(gfc_namespace*) ../../gcc/fortran/trans-decl.c:6257 0x728a49 gfc_generate_module_code(gfc_namespace*) ../../gcc/fortran/trans.c:2088 0x6de19d translate_all_program_units ../../gcc/fortran/parse.c:5927 0x6de19d gfc_parse_file() ../../gcc/fortran/parse.c:6146 0x720e82 gfc_be_parse_file ../../gcc/fortran/f95-lang.c:198