Merge dg-extract-results.sh from gcc upstream (svn 195224).

Merge dg-extract-results.sh from gcc upstream (svn 195224).

gdb/testsuite/
2013-01-17  Pedro Alves  <palves@redhat.com>

	Merge dg-extract-results.sh from upstream (svn 195224).

	2013-01-15  David Blaikie <dblaikie@gmail.com>
    	* dg-extract-results.sh: Fix order of summary counts.

	2013-01-15  David Blaikie <dblaikie@gmail.com>
    	* dg-extract-results.sh: Constrain the start-of-log pattern.

	2013-01-15  David Blaikie <dblaikie@gmail.com>
    	* dg-extract-results.sh: Handle KPASSes.

	2010-05-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
	* dg-extract-results.sh: Redirect grep output to /dev/null instead
	of grep -q.