expr.c (gfc_check_pointer_assign): Do the correct type checking when CLASS variables...

expr.c (gfc_check_pointer_assign): Do the correct type checking when CLASS variables are involved.

2009-10-07  Janus Weil  <janus@gcc.gnu.org>

	* expr.c (gfc_check_pointer_assign): Do the correct type checking when
	CLASS variables are involved.
	* match.c (gfc_match_select_type): Parse associate-name in SELECT TYPE
	statements, and set up a local namespace for the SELECT TYPE block.
	* parse.h (gfc_build_block_ns): New prototype.
	* parse.c (parse_select_type_block): Return from local namespace to its
	parent after SELECT TYPE block.
	(gfc_build_block_ns): New function for setting up the local namespace
	for a BLOCK construct.
	(parse_block_construct): Use gfc_build_block_ns.
	* resolve.c (resolve_select_type): Insert assignment for the selector
	variable, in case an associate-name is given, and put the SELECT TYPE
	statement inside a BLOCK.
	(resolve_code): Call resolve_class_assign after checking the assignment.
	* symbol.c (gfc_find_sym_tree): Moved some code here from
	gfc_get_ha_sym_tree.
	(gfc_get_ha_sym_tree): Moved some code to gfc_find_sym_tree.

2009-10-07  Janus Weil  <janus@gcc.gnu.org>

	* gfortran.dg/same_type_as_2.f03: Modified (was illegal).
	* gfortran.dg/select_type_1.f03: Modified error message.
	* gfortran.dg/select_type_5.f03: New test.

From-SVN: r152526