Fix fdump-ipa-all-graph

Fix fdump-ipa-all-graph

2016-03-15  Tom de Vries  <tom@codesourcery.com>

	PR ipa/70161
	* cgraph.c (cgraph_node::get_body): Save, reset and restore
	dump_file_name.
	* passes.c (execute_one_ipa_transform_pass): Add missing argument to
	execute_function_dump.
	(execute_one_pass): Don't dump function if it will be dumped after ipa
	transform.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@234211 138bc75d-0d04-0410-961f-82ee72b054a4