* gimple.h (gimple_return_retbnd): Delete.
	(gimple_return_set_retbnd): Likewise.
	* cgraphunit.c (cgraph_node::expand_thunk): Remove call to
	gimple_return_set_retbnd.
	* gimple-pretty-print.c (dump_gimple_return): Remove call to
	gimple_return_retbnd and adjust.
	* tree-inline.h (struct copy_body_data): Remove retbnd field.
	* tree-inline.c (remap_gimple_stmt): Remove handling of retbnd.
	Explicitly return NULL in a couple more cases.  Move assertion
	on debug statements and remove unreachable code.
	(reset_debug_binding): Do not test id->retbnd.
	(expand_call_inline): Do not set it.

From-SVN: r262181