Release build serf test failures

Could someone confirm if merge_tests.py 76 fails on trunk_at_40272 when
running a *release* build over ra_serf? This test, and those listed
below, all pass for me over neon or when using a serf and a debug
build, but when using a release build I consistently get a 'svn:
Premature EOF seen from server' error.

merge_tests.py 76: subtrees added after start of merge range are ok
merge_tests.py 93: dont merge revs into a subtree that predate it
merge_tests.py 98: subtree merge source might not exist
merge_tests.py 122: subtree gets changes even if ultimately deleted
merge_authz_tests.py 2: merge fails if subtree is deleted on src

I've attached the test output of merge test 76.

All of these tests have one thing in common, they result in calls to
svn_ra_check_path() for a path which doesn't exist at the requested
rev. On the debug build this call behaves as expected, returning
SVN_NO_ERROR and setting svn_ra_check_path's KIND argument to
SVN_NODE_NONE.

Paul

FWIW I'm on a windows box:

Microsoft Windows XP Professional Version 2002 Service Pack 3 (Build 2600)
Microsoft Visual Studio 2008 Version 9.0.21022.8 RTM
APR: 1.3.5
APR-UTIL: 1.3.7
Apache: 2.2.10
serf: 0.3.0

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