gcc/testsuite/gfortran.dg/unreferenced_use_assoc_1.f90

   1 ! { dg-do compile }
   2 ! Tests the  fix for PR31424.
   3 !
   4 module InternalCompilerError
   5
   6    type Byte
   7       private
   8       character(len=1)     :: singleByte
   9    end type
  10
  11    type (Byte)             :: BytesPrototype(1)
  12
  13    type UserType
  14       real :: r
  15    end type
  16
  17 contains
  18
  19    function UserTypeToBytes(user) result (bytes)
  20       type(UserType) :: user
  21       type(Byte)     :: bytes(size(transfer(user, BytesPrototype)))
  22       bytes = transfer(user, BytesPrototype)
  23    end function
  24
  25    subroutine DoSomethingWithBytes(bytes)
  26       type(Byte), intent(in)     :: bytes(:)
  27    end subroutine
  28
  29 end module
  30
  31
  32 program main
  33    use InternalCompilerError
  34    type (UserType) :: user
  35
  36    ! The following line caused the ICE
  37    call DoSomethingWithBytes( UserTypeToBytes(user) )
  38
  39 end program
  40 ! { dg-final { cleanup-modules "InternalCompilerError" } }