gcc/fortran/ChangeLog:

	* expr.cc (gfc_match_init_expr): Prevent PDT analysis for function
	calls.
	* simplify.cc (gfc_simplify_len): Replace len() of PDT with pdt
	component ref or constant.

gcc/testsuite/ChangeLog:

	* gfortran.dg/pdt_33.f03: New test.