2017-03-09  Martin Liska  <mliska@suse.cz>

	PR tree-optimization/79631
	* tree-chkp-opt.c (chkp_is_constant_addr): Call
	tree_int_cst_sign_bit just for INTEGER constants.
2017-03-09  Martin Liska  <mliska@suse.cz>

	PR tree-optimization/79631
	* gcc.target/i386/mpx/pr79631.c: New test.

From-SVN: r245998