gcc/

	* tree-chkp.h (chkp_insert_retbnd_call): New.
	* tree-chkp.c (chkp_insert_retbnd_call): New.
	* ipa-split.c (insert_bndret_call_after): Remove.
	(split_function): Use chkp_insert_retbnd_call.
	* cgraphunit.c (cgraph_node::expand_thunk): Build returned
	bounds for instrumented functions.

gcc/testsuite/

	* gcc/testsuite/gcc.target/i386/thunk-retbnd.c: New.

From-SVN: r221917