https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91960
Bug ID: 91960
Summary: ICE: backend decl for module variable 'j' already
exists
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: gs...@t-online.de
Target Milestone: ---
Affects versions down to at least gfortran-5,
with undefined variable j :
$ cat z1.f90
module m
integer :: i, j
integer, parameter :: a(3) = [1, 2, 3]
integer, parameter :: b(3) = [(a(j), i=1,3)]
end
$ gfortran-10-20190929 -c z1.f90
f951: internal compiler error: backend decl for module variable 'j' already
exists
0x621b49 gfc_report_diagnostic
../../gcc/fortran/error.c:776
0x62323a gfc_internal_error(char const*, ...)
../../gcc/fortran/error.c:1391
0x6f48f5 gfc_create_module_variable
../../gcc/fortran/trans-decl.c:5231
0x6b3f22 do_traverse_symtree
../../gcc/fortran/symbol.c:4165
0x6f4e8b gfc_generate_module_vars(gfc_namespace*)
../../gcc/fortran/trans-decl.c:5749
0x6cfc4c gfc_generate_module_code(gfc_namespace*)
../../gcc/fortran/trans.c:2224
0x67e641 translate_all_program_units
../../gcc/fortran/parse.c:6241
0x67e641 gfc_parse_file()
../../gcc/fortran/parse.c:6493
0x6c89af gfc_be_parse_file
../../gcc/fortran/f95-lang.c:204
