Preserve the working directory within the test.

Test must not change the working directory.  Without this update,
when target_compile() failed, test finished with working directory
set to $tmpdir instead of $curdir breaking all subsequent tests:

=====
Running ./systemtap.base/utrace_syscall_args.exp ...
UNTESTED: 64_BIT_UTRACE_SYSCALL_ARGS
Running ./systemtap.base/valid_pid.exp ...
ERROR: ./systemtap.base/valid_pid.exp does not exist.
...
=====

diff --git a/testsuite/systemtap.base/utrace_syscall_args.exp b/testsuite/systemtap.base/utrace_syscall_args.exp
index 29aa88557fc615c9c680d5ae3d06a8a8126db8a1..51ce3873ac1c7588924e117f2e276c269cbc14a6 100644 (file)
--- a/testsuite/systemtap.base/utrace_syscall_args.exp
+++ b/testsuite/systemtap.base/utrace_syscall_args.exp
@@ -39,6 +39,7 @@ for {set i 0} {$i < [arch_compile_flags]} {incr i} {
        verbose "target_compile for $exepath failed: $res" 2
        send_log "$testname: unable to compile $srcpath\n"
        untested $testname       
+        cd $curdir
        return
     }