re PR testsuite/52614 (Test failures in gcc.dg/vect: vectorizing unaligned access)

gcc/testsuite:

2012-04-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
	    Dominique D'Humieures  <dominiq@lps.ens.fr>

	PR testsuite/52614
	* gcc.dg/vect/vect.exp: Use -fno-common on all targets.
	* gcc.dg/vect/costmodel/ppc/ppc-costmodel-vect.exp: Likewise.


Co-Authored-By: Dominique d'Humieres <dominiq@lps.ens.fr>

From-SVN: r186163