https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103137
Bug ID: 103137
Summary: [12 Regression] ICE in gfc_simplify_transpose, at
fortran/simplify.c:8181
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: ---
Changed between 20211031 and 20211107 :
(follow-up of pr102715)
$ cat z1.f90
program p
type t
integer :: n
end type
type(t), parameter :: a(4) = [t(1), t(2), t(3), t(4)]
class(t), parameter :: b(2,2) = reshape(a, [2,2])
type(t), parameter :: c(2,2) = transpose(b)
end
$ gfortran-12-20211031 -c z1.f90
z1.f90:6:32:
6 | class(t), parameter :: b(2,2) = reshape(a, [2,2])
| 1
Error: CLASS variable 'b' at (1) cannot have the PARAMETER attribute
$ gfortran-12-20211107 -c z1.f90
f951: internal compiler error: Segmentation fault
0xd4f7bf crash_signal
../../gcc/toplev.c:322
0x82edf3 gfc_simplify_transpose(gfc_expr*)
../../gcc/fortran/simplify.c:8181
0x7aa89a do_simplify
../../gcc/fortran/intrinsic.c:4658
0x7b52ea gfc_intrinsic_func_interface(gfc_expr*, int)
../../gcc/fortran/intrinsic.c:5051
0x808bec resolve_unknown_f
../../gcc/fortran/resolve.c:2972
0x808bec resolve_function
../../gcc/fortran/resolve.c:3329
0x808bec gfc_resolve_expr(gfc_expr*)
../../gcc/fortran/resolve.c:7166
0x79a754 gfc_reduce_init_expr(gfc_expr*)
../../gcc/fortran/expr.c:3130
0x79d620 gfc_match_init_expr(gfc_expr**)
../../gcc/fortran/expr.c:3178
0x787bf4 variable_decl
../../gcc/fortran/decl.c:3004
0x787bf4 gfc_match_data_decl()
../../gcc/fortran/decl.c:6297
0x7f12c3 match_word
../../gcc/fortran/parse.c:67
0x7f12c3 decode_statement
../../gcc/fortran/parse.c:378
0x7f2d0a next_free
../../gcc/fortran/parse.c:1388
0x7f2d0a next_statement
../../gcc/fortran/parse.c:1620
0x7f442b parse_spec
../../gcc/fortran/parse.c:4159
0x7f779c parse_progunit
../../gcc/fortran/parse.c:6170
0x7f8a71 gfc_parse_file()
../../gcc/fortran/parse.c:6715
0x845d3f gfc_be_parse_file
../../gcc/fortran/f95-lang.c:216
