rt_gccstream/gcc/testsuite/gfortran.dg/derived_recursion.f90

27 lines
684 B
Fortran

! { dg-do compile }
! { dg-options "-O0" }
! Tests patch for PR24158 - The module would compile, in spite
! of the recursion between the derived types. This would cause
! an ICE in the commented out main program. The standard demands
! that derived type components be already defined, to break
! recursive derived type definitions.
!
! Contributed by Paul Thomas <pault@gcc.gnu.org>
!
module snafu
type :: a
integer :: v
type(b) :: i ! { dg-error "not been previously defined" }
end type a
type :: b
type(a) :: i
end type b
type (a) :: foo
end module snafu
! use snafu
! foo%v = 1
! end
! { dg-final { cleanup-modules "snafu" } }