2015-09-28 Paul Thomas <pault@gcc.gnu.org>

	PR fortran/40054
	PR fortran/63921
	* decl.c (get_proc_name): Return if statement function is
	found.
	* expr.c (gfc_check_vardef_context): Add error return for
	derived type expression lacking the derived type itself.
	* match.c (gfc_match_ptr_fcn_assign): New function.
	* match.h : Add prototype for gfc_match_ptr_fcn_assign.
	* parse.c : Add static flag 'in_specification_block'.
	(decode_statement): If in specification block match a statement
	function, then, if no error arising from statement function
	matching, try to match pointer function assignment.
	(parse_interface): Set 'in_specification_block' on exiting from
	parse_spec.
	(parse_spec): Set and then reset 'in_specification_block'.
	(gfc_parse_file): Set 'in_specification_block'.
	* resolve.c (get_temp_from_expr): Extend to include functions
	and array constructors as rvalues..
	(resolve_ptr_fcn_assign): New function.
	(gfc_resolve_code): Call it on finding a pointer function as an
	lvalue. If valid or on error, go back to start of resolve_code.
	* symbol.c (gfc_add_procedure): Add a sentence to the error to
	flag up the ambiguity between a statement function and pointer
	function assignment at the end of the specification block.

2015-09-28  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/40054
	PR fortran/63921
	* gfortran.dg/fmt_tab_1.f90: Change from run to compile and set
	standard as legacy.
	* gfortran.dg/fmt_tab_2.f90: Add extra tab error.
	* gfortran.dg/function_types_3.f90: Change error message to
	"Type inaccessible...."
	* gfortran.dg/ptr_func_assign_1.f08: New test.
	* gfortran.dg/ptr_func_assign_2.f08: New test.

2015-09-25  Mikael Morin  <mikael.morin@sfr.fr>

	PR fortran/40054
	PR fortran/63921
	* gfortran.dg/ptr_func_assign_3.f08: New test.
	* gfortran.dg/ptr_func_assign_4.f08: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@228222 138bc75d-0d04-0410-961f-82ee72b054a4

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