2017-08-09  Michael Collison  <michael.collison@arm.com>

	* testsuite/g++.dg/ext/packed8.C: Remove -mstructure-size-
	boundary option and fix comment.
	* testsuite/g++.dg/init/array16.C: Remove -mstructure-size-
	boundary option and fix comment.
	* testsuite/g++.dg/other/crash-4.C: Remove -mstructure-size-
	boundary option and fix comment.
	* testsuite/gcc.dg/builtin-stringop-chk-1.c: Remove
	-mstructure-size boundary option.

From-SVN: r251010