Cygwin 1.7.5 (2010-04-12) fails to do single line input and output on fifo pipe

["will.dutt" <will dot dutt at gmail dot com>]

in Cygwin 1.5 (1.5.25) this test script works, now in 1.7, its has stopped. 

the issue is running a file fifo pipe with output and input on the same line

this is the error I get when I run my test script, this did work in the
previous version (1.5.x).

tee: read error: Communication error on send
at
tee $OUTPUT_LOG < $OUTPUT_PIPE >&3 &

Attached is the test script:  http://old.nabble.com/file/p28370686/test.sh
test.sh 

regards

William D.
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