* g++.dg/conversion/simd1.C: Ignore irrelevant warning.
	* g++.dg/ext/attribute-test-1.C: Likewise.
	* g++.dg/ext/attribute-test-2.C: Likewise.
	* g++.dg/ext/attribute-test-3.C: Likewise.
	* g++.dg/ext/attribute-test-4.C: Likewise.

Co-Authored-By: Nathan Froyd <froydnj@codesourcery.com>

From-SVN: r143304