https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85687
Bug ID: 85687
Summary: ICE in gfc_sym_identifier, at fortran/trans-decl.c:351
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: gs...@t-online.de
Target Milestone: ---
Feeding F2018 intrinsic function RANK with an illegal argument
(t is not a constant or variable) is silently accepted with -std=f2018,
but gives an ICE with -std=f2008 or older.
$ cat z1.f90
program p
type t
end type
print *, rank(t)
end
$ cat z2.f90
program p
type t
integer :: n
end type
print *, rank(t)
end
$ gfortran-9-20180506 -c z1.f90 -std=f2018
$
$ gfortran-9-20180506 -c z1.f90 -std=f2008
z1.f90:2:0:
type t
internal compiler error: Segmentation fault
0xb9e99f crash_signal
../../gcc/toplev.c:325
0x766aa0 gfc_sym_identifier
../../gcc/fortran/trans-decl.c:351
0x767993 build_function_decl
../../gcc/fortran/trans-decl.c:2274
0x76eca3 gfc_get_symbol_decl(gfc_symbol*)
../../gcc/fortran/trans-decl.c:1695
0x781e7f gfc_conv_variable
../../gcc/fortran/trans-expr.c:2554
0x77eb62 gfc_conv_expr(gfc_se*, gfc_expr*)
../../gcc/fortran/trans-expr.c:7930
0x7853be gfc_conv_expr_reference(gfc_se*, gfc_expr*)
../../gcc/fortran/trans-expr.c:8030
0x77a8c0 gfc_conv_procedure_call(gfc_se*, gfc_symbol*, gfc_actual_arglist*,
gfc_expr*, vec<tree_node*, va_gc, vl_embed>*)
../../gcc/fortran/trans-expr.c:5273
0x77e5fc gfc_conv_function_expr
../../gcc/fortran/trans-expr.c:6812
0x77eb42 gfc_conv_expr(gfc_se*, gfc_expr*)
../../gcc/fortran/trans-expr.c:7922
0x785268 gfc_conv_expr_reference(gfc_se*, gfc_expr*)
../../gcc/fortran/trans-expr.c:8057
0x7a5396 gfc_trans_transfer(gfc_code*)
../../gcc/fortran/trans-io.c:2585
0x74ae97 trans_code
../../gcc/fortran/trans.c:2044
0x7a2e47 build_dt
../../gcc/fortran/trans-io.c:2027
0x74aeb7 trans_code
../../gcc/fortran/trans.c:2016
0x772499 gfc_generate_function_code(gfc_namespace*)
../../gcc/fortran/trans-decl.c:6507
0x7015e0 translate_all_program_units
../../gcc/fortran/parse.c:6121
0x7015e0 gfc_parse_file()
../../gcc/fortran/parse.c:6324
0x74832f gfc_be_parse_file
../../gcc/fortran/f95-lang.c:204
