[patch, fortran] Load scalar intent-in variables at the beginning of procedures

[Thomas Koenig]

Am 11.11.19 um 22:55 schrieb Thomas König:
> Regression-tested. OK for trunk?

Of course, better with a ChangeLog entry.

2019-11-11  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/67202
	* dump-parse-tree.c (debug): Add for gfc_namespace.
	(show_code_node): Add INIT_ on dumping EXEC_INIT_ASSIGN.
	* frontent-passes.c (replace_intent_in): Add prototype.  New function.
	(optimize_namespace): Call it.
	(sym_replacement): New struct.
	(replace_symbol_in_expr): New function.

2019-11-11  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/67202
	* gfortran.dg/intent_optimize_3.f90: New test.