re PR fortran/60289 (allocating class(*) pointer as character gives type-spec requires the same character-length parameter)

	PR fortran/60289
	Initial patch by Janus Weil
	* resolve.c (resolve_allocate_expr): Add check for comp. only when 
	target is not unlimited polymorphic.
	* trans-stmt.c (gfc_trans_allocate): Assign correct value to _len
	component of unlimited polymorphic entities.

	* gfortran.dg/unlimited_polymorphic_22.f90: New test.

From-SVN: r220474