https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104849
Bug ID: 104849 Summary: ICE in find_array_section, at fortran/expr.cc:1616 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, parameter :: a(:) = [1, 2] integer :: x(2) data x /a(:)/ end $ cat z2.f90 program p character(3), parameter :: a(:) = ['123'] character(3) :: x(1) data x /a(:)/ end $ cat z3.f90 program p character, parameter :: c(:) = ['1', '2', '3'] type t integer :: a character :: b(3) end type type(t) :: x = t(1, c(:)) end $ gfortran-12-20220306 -c z1.f90 f951: internal compiler error: Segmentation fault 0xccad7f crash_signal ../../gcc/toplev.cc:322 0x6f39cc find_array_section ../../gcc/fortran/expr.cc:1616 0x6f537a simplify_const_ref ../../gcc/fortran/expr.cc:1932 0x6f5eae gfc_simplify_expr(gfc_expr*, int) ../../gcc/fortran/expr.cc:2323 0x6f611b simplify_parameter_variable ../../gcc/fortran/expr.cc:2152 0x6f5067 gfc_reduce_init_expr(gfc_expr*) ../../gcc/fortran/expr.cc:3163 0x6f7fd0 gfc_match_init_expr(gfc_expr**) ../../gcc/fortran/expr.cc:3209 0x6d8212 match_data_constant ../../gcc/fortran/decl.cc:461 0x6d8353 top_val_list ../../gcc/fortran/decl.cc:499 0x6d8662 gfc_match_data() ../../gcc/fortran/decl.cc:716 0x748681 match_word ../../gcc/fortran/parse.cc:67 0x74d87e decode_statement ../../gcc/fortran/parse.cc:471 0x74e5ea next_free ../../gcc/fortran/parse.cc:1397 0x74e5ea next_statement ../../gcc/fortran/parse.cc:1629 0x74fb7b parse_spec ../../gcc/fortran/parse.cc:4168 0x752ccc parse_progunit ../../gcc/fortran/parse.cc:6192 0x754391 gfc_parse_file() ../../gcc/fortran/parse.cc:6737 0x7a1edf gfc_be_parse_file ../../gcc/fortran/f95-lang.cc:216