https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103474
--- Comment #2 from G. Steinmetz <gs...@t-online.de> --- Additionally : $ cat z3.f90 program p type t integer :: a end type class(t) :: x[:] if ( any(lcobound(x) < 1) ) stop end $ cat zz1.f90 program p type t integer :: a end type class(t), allocatable :: x[:] print *, lcobound(x%a) end $ cat zz2.f90 program p type t integer :: a(2) end type class(t), allocatable :: x[:] print *, lcobound(x%a) end $ gfortran-12-20220123 -c zz1.f90 -fcoarray=single # release version f951: internal compiler error: in simplify_cobound, at fortran/simplify.cc:4383 0x77ac55 simplify_cobound ../../gcc/fortran/simplify.cc:4383 0x70210a do_simplify ../../gcc/fortran/intrinsic.cc:4676 0x70cfea gfc_intrinsic_func_interface(gfc_expr*, int) ../../gcc/fortran/intrinsic.cc:5055 0x761368 resolve_unknown_f ../../gcc/fortran/resolve.cc:2972 0x761368 resolve_function ../../gcc/fortran/resolve.cc:3329 0x761368 gfc_resolve_expr(gfc_expr*) ../../gcc/fortran/resolve.cc:7169 0x767754 gfc_resolve_expr(gfc_expr*) ../../gcc/fortran/resolve.cc:7136 0x767754 gfc_resolve_code(gfc_code*, gfc_namespace*) ../../gcc/fortran/resolve.cc:11928 0x76610f gfc_resolve_blocks(gfc_code*, gfc_namespace*) ../../gcc/fortran/resolve.cc:10944 0x766468 gfc_resolve_code(gfc_code*, gfc_namespace*) ../../gcc/fortran/resolve.cc:11918 0x768da7 resolve_codes ../../gcc/fortran/resolve.cc:17537 0x768e6e gfc_resolve(gfc_namespace*) ../../gcc/fortran/resolve.cc:17572 0x751194 resolve_all_program_units ../../gcc/fortran/parse.cc:6586 0x751194 gfc_parse_file() ../../gcc/fortran/parse.cc:6842 0x79e86f gfc_be_parse_file ../../gcc/fortran/f95-lang.cc:216