https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82969
Bug ID: 82969
Summary: ICE in gfc_class_vptr_get, at fortran/trans-expr.c:211
Product: gcc
Version: 8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: gs...@t-online.de
Target Milestone: ---
This variant does not compile with snapshot from 20171112 :
$ cat z1.f90
module m
type t
real, allocatable :: x(:)
procedure(f), nopass, pointer :: g
end type
contains
function f() result(z)
class(t), allocatable :: z
end
end
$ gfortran-8-20171112 -c z1.f90
z1.f90:10:0:
end
internal compiler error: Segmentation fault
0xb61c7f crash_signal
../../gcc/toplev.c:325
0x75c0de gfc_class_vptr_get(tree_node*)
../../gcc/fortran/trans-expr.c:211
0x75c6c8 class_vtab_field_get
../../gcc/fortran/trans-expr.c:280
0x75c6c8 gfc_class_vtab_size_get(tree_node*)
../../gcc/fortran/trans-expr.c:314
0x741de8 structure_alloc_comps
../../gcc/fortran/trans-array.c:8836
0x75ef9a gfc_trans_scalar_assign(gfc_se*, gfc_se*, gfc_typespec, bool, bool,
bool)
../../gcc/fortran/trans-expr.c:8848
0x76d301 gfc_trans_assignment_1
../../gcc/fortran/trans-expr.c:10143
0x731de5 trans_code
../../gcc/fortran/trans.c:1843
0x75897c gfc_generate_function_code(gfc_namespace*)
../../gcc/fortran/trans-decl.c:6421
0x735841 gfc_generate_module_code(gfc_namespace*)
../../gcc/fortran/trans.c:2206
0x6ea84d translate_all_program_units
../../gcc/fortran/parse.c:6078
0x6ea84d gfc_parse_file()
../../gcc/fortran/parse.c:6294
0x72f13f gfc_be_parse_file
../../gcc/fortran/f95-lang.c:204
---
While configured with --enable-checking=yes :
$ gfortran-8-20171112-chk -c z1.f90
z1.f90:10:0:
end
internal compiler error: tree check: expected record_type or union_type or
qual_union_type, have function_type in gfc_class_data_get, at
fortran/trans-expr.c:188
0x610875 tree_check_failed(tree_node const*, char const*, int, char const*,
...)
../../gcc/tree.c:9098
0x79578b tree_check3(tree_node*, char const*, int, char const*, tree_code,
tree_code, tree_code)
../../gcc/tree.h:3128
0x79578b gfc_class_data_get(tree_node*)
../../gcc/fortran/trans-expr.c:188
0x773896 structure_alloc_comps
../../gcc/fortran/trans-array.c:8834
0x799c4a gfc_trans_scalar_assign(gfc_se*, gfc_se*, gfc_typespec, bool, bool,
bool)
../../gcc/fortran/trans-expr.c:8848
0x7ab3a9 gfc_trans_assignment_1
../../gcc/fortran/trans-expr.c:10143
0x75e3f5 trans_code
../../gcc/fortran/trans.c:1843
0x7913e8 gfc_generate_function_code(gfc_namespace*)
../../gcc/fortran/trans-decl.c:6421
0x763399 gfc_generate_module_code(gfc_namespace*)
../../gcc/fortran/trans.c:2206
0x715ced translate_all_program_units
../../gcc/fortran/parse.c:6078
0x715ced gfc_parse_file()
../../gcc/fortran/parse.c:6294
0x75b20f gfc_be_parse_file
../../gcc/fortran/f95-lang.c:204
