https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92961
Bug ID: 92961
Summary: [8/9/10 Regression] ICE in gfc_zero_size_array, at
fortran/arith.c:1680
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: gs...@t-online.de
Target Milestone: ---
With an expression (0) :
$ cat z1.f90
program p
integer :: a((0)/0)
integer :: b(0/(0))
integer :: c((0)/(0))
end
$ gfortran-5 -c z1.f90
z1.f90:2:17:
integer :: a((0)/0)
1
Error: Division by zero at (1)
z1.f90:2:22:
integer :: a((0)/0)
1
Error: The module or main program array 'a' at (1) must have constant shape
z1.f90:3:17:
integer :: b(0/(0))
1
Error: Division by zero at (1)
z1.f90:3:22:
integer :: b(0/(0))
1
Error: The module or main program array 'b' at (1) must have constant shape
z1.f90:4:17:
integer :: c((0)/(0))
1
Error: Division by zero at (1)
z1.f90:4:24:
integer :: c((0)/(0))
1
Error: The module or main program array 'c' at (1) must have constant shape
$ gfortran-10-20191215 -c z1.f90
f951: internal compiler error: Segmentation fault
0xb8147f crash_signal
../../gcc/toplev.c:328
0x5f6d9b gfc_zero_size_array
../../gcc/fortran/arith.c:1680
0x5f6d9b reduce_binary0
../../gcc/fortran/arith.c:1694
0x5f6d9b eval_intrinsic_f3
../../gcc/fortran/arith.c:1743
0x63139a simplify_intrinsic_op
../../gcc/fortran/expr.c:1196
0x63139a gfc_simplify_expr(gfc_expr*, int)
../../gcc/fortran/expr.c:2201
0x61e611 variable_decl
../../gcc/fortran/decl.c:2565
0x61e611 gfc_match_data_decl()
../../gcc/fortran/decl.c:6098
0x6815a3 match_word
../../gcc/fortran/parse.c:65
0x6815a3 decode_statement
../../gcc/fortran/parse.c:376
0x682fea next_free
../../gcc/fortran/parse.c:1279
0x682fea next_statement
../../gcc/fortran/parse.c:1511
0x685394 parse_spec
../../gcc/fortran/parse.c:3738
0x68740c parse_progunit
../../gcc/fortran/parse.c:5848
0x688ae9 gfc_parse_file()
../../gcc/fortran/parse.c:6388
0x6d365f gfc_be_parse_file
../../gcc/fortran/f95-lang.c:210
