https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78033
kargl at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |kargl at gcc dot gnu.org --- Comment #1 from kargl at gcc dot gnu.org --- Reduced testcase. function f(n, x) integer, intent(in) :: n complex, intent(in) :: x(1:n) real :: f f = g([real(x(1:n)), aimag(x(1:n))]) end function f If the array sections are removed in favor of the whole array, the code compiles.