https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103776
Bug ID: 103776
Summary: ICE in gfc_compare_string, at fortran/arith.c:1118
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: gs...@t-online.de
Target Milestone: ---
Follow-up of pr103591, affects versions down to at least r5 :
$ cat z1.f90
program p
integer :: n
select case (n)
case (['1']:2)
end select
end
$ cat z3.f90
program p
integer :: n
select case (n)
case(['1']:['2'])
end select
end
$ gfortran-12-20211219 -c z1.f90
f951: internal compiler error: Segmentation fault
0xd6d1ff crash_signal
../../gcc/toplev.c:322
0x7663ba gfc_compare_string(gfc_expr*, gfc_expr*)
../../gcc/fortran/arith.c:1118
0x80c2b6 resolve_select
../../gcc/fortran/resolve.c:8784
0x815c67 gfc_resolve_code(gfc_code*, gfc_namespace*)
../../gcc/fortran/resolve.c:12165
0x817b27 resolve_codes
../../gcc/fortran/resolve.c:17532
0x817bee gfc_resolve(gfc_namespace*)
../../gcc/fortran/resolve.c:17567
0x7fff14 resolve_all_program_units
../../gcc/fortran/parse.c:6586
0x7fff14 gfc_parse_file()
../../gcc/fortran/parse.c:6842
0x84d53f gfc_be_parse_file
../../gcc/fortran/f95-lang.c:216
