* gimple.h (compare_field_offset): Rename into...

	(gimple_compare_field_offset): ...this.
	* gimple.c (compare_field_offset): Rename into...
	(gimple_compare_field_offset): ...this.  Compare the full access if
	the offset is self-referential.
	(gimple_types_compatible_p): Adjust for above renaming.
	* lto-streamer-in.c (input_gimple_stmt): Likewise.  Also compare the
	DECL_NONADDRESSABLE_P flag of fields before merging them.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@159438 138bc75d-0d04-0410-961f-82ee72b054a4