[gcc]

2016-12-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR target/78695
	* config/rs6000/rs6000.c (find_alignment_op): Discard from
	consideration any artificial definition.

[gcc/testsuite]

2016-12-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR target/78695
	* gcc.target/powerpc/swaps-stack-protector.c: New test.

From-SVN: r243534