PR testsuite/47622

	Revert
	2011-02-05  Jie Zhang  <jie@codesourcery.com>
	PR debug/42631
	* web.c (entry_register): Don't clobber the number of the
	first uninitialized reference in used[].

	testsuite/
	PR testsuite/47622
	Revert
	2011-02-05  Jie Zhang  <jie@codesourcery.com>
	PR debug/42631
	* gcc.dg/pr42631.c: Update test.
	* gcc.dg/pr42631-2.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@169997 138bc75d-0d04-0410-961f-82ee72b054a4