https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107922
Bug ID: 107922
Summary: ICE in gfc_simplify_unpack, at
fortran/simplify.cc:8473
Product: gcc
Version: 13.0
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
type t
end type
integer, parameter :: a(2) = 1
type(t), parameter :: b(2) = unpack(a,[.false.,.true.,.false.],a)
end
$ cat z2.f90
program p
type t
end type
integer, parameter :: a(2) = 1
type(t), parameter :: b(3) = unpack(a,[.false.,.true.,.false.],a)
end
$ gfortran-13-20221127 -c z1.f90
f951: internal compiler error: Segmentation fault
0xda00af crash_signal
../../gcc/toplev.cc:314
0x85b088 gfc_simplify_unpack(gfc_expr*, gfc_expr*, gfc_expr*)
../../gcc/fortran/simplify.cc:8473
0x7d2b3a do_simplify
../../gcc/fortran/intrinsic.cc:4677
0x7dda1a gfc_intrinsic_func_interface(gfc_expr*, int)
../../gcc/fortran/intrinsic.cc:5056
0x833fe8 resolve_unknown_f
../../gcc/fortran/resolve.cc:2990
0x833fe8 resolve_function
../../gcc/fortran/resolve.cc:3347
0x833fe8 gfc_resolve_expr(gfc_expr*)
../../gcc/fortran/resolve.cc:7195
0x7c2704 gfc_reduce_init_expr(gfc_expr*)
../../gcc/fortran/expr.cc:3168
0x7c5690 gfc_match_init_expr(gfc_expr**)
../../gcc/fortran/expr.cc:3216
0x7af4fb variable_decl
../../gcc/fortran/decl.cc:3028
0x7af4fb gfc_match_data_decl()
../../gcc/fortran/decl.cc:6331
0x81bf43 match_word
../../gcc/fortran/parse.cc:67
0x81bf43 decode_statement
../../gcc/fortran/parse.cc:378
0x81d98a next_free
../../gcc/fortran/parse.cc:1402
0x81d98a next_statement
../../gcc/fortran/parse.cc:1634
0x81f3cb parse_spec
../../gcc/fortran/parse.cc:4190
0x8225dc parse_progunit
../../gcc/fortran/parse.cc:6237
0x823ca1 gfc_parse_file()
../../gcc/fortran/parse.cc:6782
0x871bef gfc_be_parse_file
../../gcc/fortran/f95-lang.cc:229
