https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77785
--- Comment #5 from Gerhard Steinmetz <gerhard.steinmetz.fort...@t-online.de> --- Related : $ cat z4.f90 module m type t real, allocatable :: a(:) end type contains subroutine s(x) class(t) :: x[*] allocate (x%a(2)) end end $ cat z5.f90 module m type t real, pointer :: a(:) end type contains subroutine s(x) class(t) :: x[*] allocate (x%a(2)) end end $ gfortran-7-20161002 -fcoarray=single -c z4.f90 $ gfortran-7-20161002 -fcoarray=lib -c z4.f90 z4.f90:8:0: allocate (x%a(2)) internal compiler error: in gfc_conv_descriptor_token, at fortran/trans-array.c:305 0x72afed gfc_conv_descriptor_token(tree_node*) ../../gcc/fortran/trans-array.c:303 0x73746e gfc_array_allocate(gfc_se*, gfc_expr*, tree_node*, tree_node*, tree_node*, tree_node*, tree_node*, tree_node**, gfc_expr*, tree_node*, bool) ../../gcc/fortran/trans-array.c:5544 0x7ac275 gfc_trans_allocate(gfc_code*) ../../gcc/fortran/trans-stmt.c:5799 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