Go testsuite patch committed: Avoid skipping tests inappropriately

[Ian Lance Taylor]

This patch to the Go testsuite driver go-test.exp avoids skipping some
tests inappropriately when invoking DejaGNU with go-test.exp=xxx.  The
problem is that go-test.exp calls runtest_file_p to see whether to run
the test.  If it should, then in a few cases it invokes go-dg-runtest to
do the testing, and that does another call to runtest_file_p.  However,
the second invocation will in some cases use a different name, because
some of the tests create a file and run tests on that.  This patch
temporarily clears the list of tests before calling go-dg-runtest, to
avoid inappropriately skipping the later test.  Bootstrapped and ran Go
testsuite on x86_64-unknown-linux-gnu.  Committed to mainline.

Ian


2010-12-21  Ian Lance Taylor  <iant@google.com>

	* go.test/go-test.exp: Clear runtests around invocation of
	go-dg-runtest from errchk and go-execute-xfail.


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