testsuite, darwin] Fix PR81058.

testsuite, darwin] Fix PR81058.

The tests fail because Darwin indirects common accesses which causes different
codegen and the mismatch in output. Placing the vars in regular .data section
fixes that.

gcc/testsuite/

2019-05-11  Iain Sandoe  <iain@sandoe.co.uk>

	PR testsuite/81058
	* gcc.target/i386/avx512bw-vpmovswb-1.c: Use regular data section
	for variables on Darwin, rather than common.
	* gcc.target/i386/avx512bw-vpmovuswb-1.c: Likewise.
	* gcc.target/i386/avx512bw-vpmovwb-1.c: Likewise.

From-SVN: r271097