https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103139
G. Steinmetz <gs...@t-online.de> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords|ice-on-invalid-code |ice-on-valid-code --- Comment #1 from G. Steinmetz <gs...@t-online.de> --- It is accepted by gfortran/ifort/ifx if the assignment in t3(x=x) is replaced by a direct assignment (example from comment #0 is also accepted by ifort/ifx) $ cat z2.f90 program p type t end type type, extends(t) :: t2 end type type(t) :: x = t() type(t2) :: y = t2() class(t), allocatable :: z z = x z = y z = x z = y end