[Bug fortran/101069] New: ICE in gfc_resolve_expr, at fortran/resolve.c:7087
gscfq@t-online.de
gcc-bugzilla@gcc.gnu.org
Mon Jun 14 17:19:37 GMT 2021
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101069
Bug ID: 101069
Summary: ICE in gfc_resolve_expr, at fortran/resolve.c:7087
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: gscfq@t-online.de
Target Milestone: ---
The ICE is always reproducible with gcc-11-20201004 and newer on
my environment, and never with gcc-11-20200823, but ICEs sometimes
sporadically for older versions too. Other brands may also stumble.
$ cat z1.f90
program p
character(*), parameter :: x(2) = [character(n) :: 'a', 'b']
end
$ gfortran-12-20210613 -c z1.f90 # configured with --enable-checking=yes
z1.f90:2:34:
2 | character(*), parameter :: x(2) = [character(n) :: 'a', 'b']
| 1
Error: Cannot initialize parameter array at (1) with variable length elements
f951: internal compiler error: Segmentation fault
0xe1963f crash_signal
../../gcc/toplev.c:327
0x798173 gfc_resolve_expr(gfc_expr*)
../../gcc/fortran/resolve.c:7087
0x79a9d4 gfc_resolve_expr(gfc_expr*)
../../gcc/fortran/resolve.c:12525
0x79a9d4 resolve_charlen
../../gcc/fortran/resolve.c:12475
0x7a6c29 resolve_charlen
../../gcc/fortran/resolve.c:12466
0x7a6c29 resolve_types
../../gcc/fortran/resolve.c:17344
0x7a227c gfc_resolve(gfc_namespace*)
../../gcc/fortran/resolve.c:17461
0x78a7b4 resolve_all_program_units
../../gcc/fortran/parse.c:6400
0x78a7b4 gfc_parse_file()
../../gcc/fortran/parse.c:6652
0x7d7dcf gfc_be_parse_file
../../gcc/fortran/f95-lang.c:212
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