https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103591
Bug ID: 103591
Summary: ICE in gfc_compare_string, at fortran/arith.c:1119
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: ---
Affects versions down to at least r5 :
$ cat z1.f90
program p
integer :: n
select case (n)
case ('1':2.)
end select
end
$ gfortran-12-20211205 -c z1.f90
f951: internal compiler error: Segmentation fault
0xd6497f crash_signal
../../gcc/toplev.c:322
0x7640cb gfc_compare_string(gfc_expr*, gfc_expr*)
../../gcc/fortran/arith.c:1119
0x809f46 resolve_select
../../gcc/fortran/resolve.c:8784
0x8138f7 gfc_resolve_code(gfc_code*, gfc_namespace*)
../../gcc/fortran/resolve.c:12165
0x8157b7 resolve_codes
../../gcc/fortran/resolve.c:17531
0x81587e gfc_resolve(gfc_namespace*)
../../gcc/fortran/resolve.c:17566
0x7fdba4 resolve_all_program_units
../../gcc/fortran/parse.c:6586
0x7fdba4 gfc_parse_file()
../../gcc/fortran/parse.c:6842
0x84afaf gfc_be_parse_file
../../gcc/fortran/f95-lang.c:216
